20476056 has 32 divisors (see below), whose sum is σ = 52441200. Its totient is φ = 6658560.

The previous prime is 20476051. The next prime is 20476139. The reversal of 20476056 is 65067402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20476051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9421 + ... + 11388.

Almost surely, 2^20476056 is an apocalyptic number.

It is an amenable number.

20476056 is an abundant number, since it is smaller than the sum of its proper divisors (31965144).

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

20476056 is a wasteful number, since it uses less digits than its factorization.

20476056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20859 (or 20855 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 20476056 is about 4525.0476240588. The cubic root of 20476056 is about 273.5785874628.

The spelling of 20476056 in words is "twenty million, four hundred seventy-six thousand, fifty-six".