20625732 has 24 divisors (see below), whose sum is σ = 53474400. Its totient is φ = 6875208.

The previous prime is 20625727. The next prime is 20625769. The reversal of 20625732 is 23752602.

20625732 is a `hidden beast` number, since 2 + 0 + 625 + 7 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20625696 and 20625705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95382 + ... + 95597.

It is an arithmetic number, because the mean of its divisors is an integer number (2228100).

Almost surely, 2^20625732 is an apocalyptic number.

It is an amenable number.

20625732 is an abundant number, since it is smaller than the sum of its proper divisors (32848668).

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

20625732 is a wasteful number, since it uses less digits than its factorization.

20625732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190992 (or 190984 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 20625732 is about 4541.5561209788. The cubic root of 20625732 is about 274.2435719294.

The spelling of 20625732 in words is "twenty million, six hundred twenty-five thousand, seven hundred thirty-two".