20882272 has 24 divisors (see below), whose sum is σ = 41221656. Its totient is φ = 10413312.

The previous prime is 20882269. The next prime is 20882327. The reversal of 20882272 is 27228802.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16908 + ... + 18100.

It is an arithmetic number, because the mean of its divisors is an integer number (1717569).

Almost surely, 2^20882272 is an apocalyptic number.

It is an amenable number.

20882272 is a deficient number, since it is larger than the sum of its proper divisors (20339384).

20882272 is a wasteful number, since it uses less digits than its factorization.

20882272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 20882272 is about 4569.7124636021. The cubic root of 20882272 is about 275.3758914777.

The spelling of 20882272 in words is "twenty million, eight hundred eighty-two thousand, two hundred seventy-two".