Twenty one thousand twenty
21020 is an even number.
21020 is a Harshad number, which means it is divisible by the sum of its digits (2 + 1 + 0 + 2 + 0 = 5, and 21020 is divisible by 5).
In binary, 21020 is represented as 101001000011100.
In hex, 21020 is represented as 521c.
Prime factorization of 21020: 22 * 5 * 1051.
Factors of 21020 are: 1, 2, 4, 5, 10, 20, 1051, 2102, 4204, 5255, 10510, 21020.