20924402 has 16 divisors (see below), whose sum is σ = 32247072. Its totient is φ = 10177440.

The previous prime is 20924401. The next prime is 20924413. The reversal of 20924402 is 20442902.

It is not an unprimeable number, because it can be changed into a prime (20924401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39902 + ... + 40422.

It is an arithmetic number, because the mean of its divisors is an integer number (2015442).

Almost surely, 2^20924402 is an apocalyptic number.

20924402 is a deficient number, since it is larger than the sum of its proper divisors (11322670).

20924402 is a wasteful number, since it uses less digits than its factorization.

20924402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20924402 is about 4574.3198401511. The cubic root of 20924402 is about 275.5609574350.

The spelling of 20924402 in words is "twenty million, nine hundred twenty-four thousand, four hundred two".