20426932 has 12 divisors (see below), whose sum is σ = 35786016. Its totient is φ = 10202360.

The previous prime is 20426869. The next prime is 20426941. The reversal of 20426932 is 23962402.

It is a self number, because there is not a number n which added to its sum of digits gives 20426932.

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 3 ways as a sum of consecutive naturals, for example, 2457 + ... + 6847.

It is an arithmetic number, because the mean of its divisors is an integer number (2982168).

Almost surely, 2^20426932 is an apocalyptic number.

It is an amenable number.

20426932 is a deficient number, since it is larger than the sum of its proper divisors (15359084).

20426932 is a wasteful number, since it uses less digits than its factorization.

20426932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558 (or 5556 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 20426932 is about 4519.6163554001. The cubic root of 20426932 is about 273.3596319464.

The spelling of 20426932 in words is "twenty million, four hundred twenty-six thousand, nine hundred thirty-two".