20792136 has 32 divisors (see below), whose sum is σ = 52093440. Its totient is φ = 6915648.

The previous prime is 20792119. The next prime is 20792143. The reversal of 20792136 is 63129702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18585 + ... + 19671.

It is an arithmetic number, because the mean of its divisors is an integer number (1627920).

Almost surely, 2^20792136 is an apocalyptic number.

It is an amenable number.

20792136 is an abundant number, since it is smaller than the sum of its proper divisors (31301304).

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

20792136 is a wasteful number, since it uses less digits than its factorization.

20792136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893 (or 1889 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 20792136 is about 4559.8394708586. The cubic root of 20792136 is about 274.9791102589.

The spelling of 20792136 in words is "twenty million, seven hundred ninety-two thousand, one hundred thirty-six".