20792916 has 48 divisors (see below), whose sum is σ = 56750400. Its totient is φ = 6565536.

The previous prime is 20792899. The next prime is 20792939. The reversal of 20792916 is 61929702.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3015 + ... + 7118.

It is an arithmetic number, because the mean of its divisors is an integer number (1182300).

Almost surely, 2^20792916 is an apocalyptic number.

It is an amenable number.

20792916 is an abundant number, since it is smaller than the sum of its proper divisors (35957484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20792916 is a wasteful number, since it uses less digits than its factorization.

20792916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10165 (or 10157 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 20792916 is about 4559.9249993832. The cubic root of 20792916 is about 274.9825487548.

The spelling of 20792916 in words is "twenty million, seven hundred ninety-two thousand, nine hundred sixteen".