'Twenty' in the Bible
ten fat oxen, twenty pasture-fed oxen, a hundred sheep not counting fallow deer, gazelles, roebucks, and fattened fowl.
The length of the house which King Solomon built for the Lord was sixty cubits (90 ft.), its width twenty (30 ft.), and its height thirty cubits (45 ft.).
The porch in front of the main room of the house (temple) was twenty cubits long, corresponding to the width of the house, and its depth in front of the house was ten cubits.
He built twenty cubits on the rear of the house with boards of cedar from the floor to the ceiling; he built its interior as the [inner] sanctuary, the Holy of Holies.
The Holy of Holies was twenty cubits in length, twenty cubits in width, and twenty cubits in height (a cube), and he overlaid it with pure gold. He also overlaid the cedar altar [with gold].
Now at the end of twenty years, in which Solomon had built the two houses, the temple of the Lord and the palace of the king
(Hiram king of Tyre had supplied Solomon with as much cedar and cypress timber [from Lebanon] and gold as he desired), at that time King Solomon gave Hiram twenty cities in the land of Galilee (northern Israel).
Jeroboam’s wife did so. She got up and went [twenty miles] to Shiloh, and came to the house of Ahijah. Now Ahijah could not see, because his eyes were dim from old age.
Then the hand of the Lord came upon Elijah [giving him supernatural strength]. He girded up his loins and outran Ahab to the entrance of Jezreel [nearly twenty miles].