'Twenty' in the Bible

And round about the high seat were four and twenty seats: and on them I saw four and twenty rulers seated, clothed in white robes; and on their heads crowns of gold.

The four and twenty rulers go down on their faces before him who is seated on the high seat, and give worship to him who is living for ever and ever, and take off their crowns before the high seat, saying,

And when he had taken the book, the four beasts and the four and twenty rulers went down on their faces before the Lamb, having every one an instrument of music, and gold vessels full of perfumes, which are the prayers of the saints.

And the four and twenty rulers, who are seated before God on their high seats, went down on their faces and gave worship to God, saying,

And the four and twenty rulers and the four beasts went down on their faces and gave worship to God who was seated on the high seat, saying, Even so, praise to the Lord.