20554672 has 20 divisors (see below), whose sum is σ = 40577760. Its totient is φ = 10083008.

The previous prime is 20554669. The next prime is 20554673. The reversal of 20554672 is 27645502.

It is not an unprimeable number, because it can be changed into a prime (20554673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11272 + ... + 12967.

It is an arithmetic number, because the mean of its divisors is an integer number (2028888).

Almost surely, 2^20554672 is an apocalyptic number.

It is an amenable number.

20554672 is a deficient number, since it is larger than the sum of its proper divisors (20023088).

20554672 is a wasteful number, since it uses less digits than its factorization.

20554672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24300 (or 24294 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 20554672 is about 4533.7260614201. The cubic root of 20554672 is about 273.9282672256.

The spelling of 20554672 in words is "twenty million, five hundred fifty-four thousand, six hundred seventy-two".