'Twenty' in the Bible

Then Abner came to David in Hebron and with him [were] twenty men. David had prepared a feast for Abner and for the men who [were] with him.

David captured from him one thousand and seven hundred horsemen and twenty thousand {foot soldiers}. David hamstrung all the chariot horses, but {from them} he spared a hundred chariot horses.

You shall till the land for him, you and your sons and your servants; you shall bring [in the produce] and it shall be food for the son of your master that he may eat. But Mephibosheth the son of your master may always eat food at my table." (Now Ziba had fifteen sons and twenty slaves.)

When the {Ammonites} saw that they had become odious to David, the {Ammonites} sent [word] and hired Aram Beth-Rehob and Aram-Zobah, twenty thousand infantry; and [they also hired] the king of Maacah, a thousand men, and the men of Tob, twelve thousand men.

The army of Israel [was] defeated there before the servants of David, and the defeat there was great on that day: twenty thousand.

and a thousand men [were] with him from Benjamin. Too, Ziba the servant of the household of Saul and fifteen of his sons and twenty of his servants [were] with him, and they rushed to the Jordan before the king.

They went about through all the land, and they came to Jerusalem at the end of nine months and twenty days.