20053908 has 36 divisors (see below), whose sum is σ = 57934240. Its totient is φ = 5729616.

The previous prime is 20053883. The next prime is 20053927. The reversal of 20053908 is 80935002.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39538 + ... + 40041.

Almost surely, 2^20053908 is an apocalyptic number.

20053908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20053908 is an abundant number, since it is smaller than the sum of its proper divisors (37880332).

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

20053908 is a wasteful number, since it uses less digits than its factorization.

20053908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79596 (or 79591 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 20053908 is about 4478.1589967307. The cubic root of 20053908 is about 271.6854242425.

The spelling of 20053908 in words is "twenty million, fifty-three thousand, nine hundred eight".