20792442 has 16 divisors (see below), whose sum is σ = 45365472. Its totient is φ = 6300720.

The previous prime is 20792419. The next prime is 20792459. The reversal of 20792442 is 24429702.

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, 157453 + ... + 157584.

It is an arithmetic number, because the mean of its divisors is an integer number (2835342).

Almost surely, 2^20792442 is an apocalyptic number.

20792442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20792442 is an abundant number, since it is smaller than the sum of its proper divisors (24573030).

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

20792442 is a wasteful number, since it uses less digits than its factorization.

20792442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315053.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 20792442 is about 4559.8730245479. The cubic root of 20792442 is about 274.9804592176.

The spelling of 20792442 in words is "twenty million, seven hundred ninety-two thousand, four hundred forty-two".