Ezra 8:20

20 besides two hundred twenty of the temple servants, whom David and his officials had set apart to attend the Levites. These were all mentioned by name.

Ezra 8:20 Meaning and Commentary

Ezra 8:20

Also of the Nethinims, whom David and the princes had
appointed for the service of the Levites
To wait upon them, and minister to them, as they did to the priests; some think those were the same with the Gibeonites, whom Joshua gave to the service of the sanctuary, and David confirmed; but others are of opinion these were different from them, and an addition to them:

two hundred and twenty Nethinims: all of them were expressed by
name;
in the history that Iddo sent of them to Ezra; and so the names of the Levites, though not here expressed, only the names of those they came with.

Ezra 8:20 In-Context

18 Since the gracious hand of our God was upon us, they brought us a man of discretion, of the descendants of Mahli son of Levi son of Israel, namely Sherebiah, with his sons and kin, eighteen;

19 also Hashabiah and with him Jeshaiah of the descendants of Merari, with his kin and their sons, twenty;

20 besides two hundred twenty of the temple servants, whom David and his officials had set apart to attend the Levites. These were all mentioned by name.

21 Then I proclaimed a fast there, at the river Ahava, that we might deny ourselves before our God, to seek from him a safe journey for ourselves, our children, and all our possessions.

22 For I was ashamed to ask the king for a band of soldiers and cavalry to protect us against the enemy on our way, since we had told the king that the hand of our God is gracious to all who seek him, but his power and his wrath are against all who forsake him.