20792568 has 32 divisors (see below), whose sum is σ = 53660160. Its totient is φ = 6707040.

The previous prime is 20792543. The next prime is 20792633. The reversal of 20792568 is 86529702.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13230 + ... + 14717.

It is an arithmetic number, because the mean of its divisors is an integer number (1676880).

Almost surely, 2^20792568 is an apocalyptic number.

It is an amenable number.

20792568 is an abundant number, since it is smaller than the sum of its proper divisors (32867592).

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

20792568 is a wasteful number, since it uses less digits than its factorization.

20792568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27987 (or 27983 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 20792568 is about 4559.8868407012. The cubic root of 20792568 is about 274.9810146673.

The spelling of 20792568 in words is "twenty million, seven hundred ninety-two thousand, five hundred sixty-eight".