1 Kings 18:20

20 And Ahab sendeth among all the sons of Israel, and gathereth the prophets unto the mount of Carmel;

1 Kings 18:20 Meaning and Commentary

1 Kings 18:20

So Ahab sent unto all the children of Israel
By messengers, requiring their attendance at Mount Carmel at such a time, at least their chief and principal men:

and gathered the prophets together unto Mount Carmel;
the four hundred and fifty prophets of Baal, but not the four hundred prophets of the groves; for of them we have no account afterwards, only of the former; it may be they were not at the command of Ahab, only of Jezebel, at whose table they ate, who would not suffer them to go.

1 Kings 18:20 In-Context

18 And he saith, `I have not troubled Israel, but thou and the house of thy father, in your forsaking the commands of Jehovah, and thou goest after the Baalim;
19 and now, send, gather unto me all Israel, unto the mount of Carmel, and the prophets of Baal four hundred and fifty, and the prophets of the shrine, four hundred -- eating at the table of Jezebel.'
20 And Ahab sendeth among all the sons of Israel, and gathereth the prophets unto the mount of Carmel;
21 and Elijah cometh nigh unto all the people, and saith, `Till when are ye leaping on the two branches? -- if Jehovah [is] God, go after Him; and if Baal, go after him;' and the people have not answered him a word.
22 And Elijah saith unto the people, `I -- I have been left a prophet of Jehovah -- by myself; and the prophets of Baal [are] four hundred and fifty men;
Young's Literal Translation is in the public domain.