20368056 has 32 divisors (see below), whose sum is σ = 52298640. Its totient is φ = 6605568.

The previous prime is 20368043. The next prime is 20368069. The reversal of 20368056 is 65086302.

20368056 = T₂₁₃ + T₂₁₄ + ... + T₅₀₈.

It is an interprime number because it is at equal distance from previous prime (20368043) and next prime (20368069).

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, 10581 + ... + 12356.

Almost surely, 2^20368056 is an apocalyptic number.

It is an amenable number.

20368056 is an abundant number, since it is smaller than the sum of its proper divisors (31930584).

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

20368056 is a wasteful number, since it uses less digits than its factorization.

20368056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22983 (or 22979 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 20368056 is about 4513.0982705897. The cubic root of 20368056 is about 273.0967468292.

The spelling of 20368056 in words is "twenty million, three hundred sixty-eight thousand, fifty-six".