20055632 has 20 divisors (see below), whose sum is σ = 40548000. Its totient is φ = 9591648.

The previous prime is 20055619. The next prime is 20055643. The reversal of 20055632 is 23655002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 20055598 and 20055607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26882 + ... + 27617.

It is an arithmetic number, because the mean of its divisors is an integer number (2027400).

Almost surely, 2^20055632 is an apocalyptic number.

It is an amenable number.

20055632 is an abundant number, since it is smaller than the sum of its proper divisors (20492368).

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

20055632 is a wasteful number, since it uses less digits than its factorization.

20055632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54530 (or 54524 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 20055632 is about 4478.3514824096. The cubic root of 20055632 is about 271.6932094624.

The spelling of 20055632 in words is "twenty million, fifty-five thousand, six hundred thirty-two".