'Twenty' in the Bible
So Abner came to David to Hebron, and twenty men with him. And David made Abner and the men that were with him a repast.
And David took from him one thousand seven hundred horsemen, and twenty thousand footmen; and David houghed all the chariot horses, but reserved of them for a hundred chariots.
And thou, and thy sons, and thy servants, shall till the land for him, and thou shalt bring in the fruits, that thy master's son may have food to eat. And Mephibosheth thy master's son shall eat bread at my table continually. Now Ziba had fifteen sons and twenty servants.
And the children of Ammon saw that they had made themselves odious to David; and the children of Ammon sent and hired the Syrians of Beth-Rehob, and the Syrians of Zoba, twenty thousand footmen, and the king of Maacah with a thousand men, and the men of Tob twelve thousand men.
And the people of Israel were routed before the servants of David, and there was a great slaughter there that day: twenty thousand men.
And there were a thousand men of Benjamin with him, and Ziba the servant of the house of Saul, and his fifteen sons and his twenty servants with him; and they forded the Jordan before the king.
And there was again a battle, at Gath; and there was a man there of great stature, that had on each hand six fingers, and on each foot six toes, four and twenty in number; and he also was born to Raphah.
And they went through all the land, and came to Jerusalem at the end of nine months and twenty days.