205053904 has 20 divisors (see below), whose sum is σ = 433409760. Its totient is φ = 93206240.

The previous prime is 205053887. The next prime is 205053911. The reversal of 205053904 is 409350502.

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, 582364 + ... + 582715.

It is an arithmetic number, because the mean of its divisors is an integer number (21670488).

Almost surely, 2^205053904 is an apocalyptic number.

It is an amenable number.

205053904 is an abundant number, since it is smaller than the sum of its proper divisors (228355856).

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

205053904 is a wasteful number, since it uses less digits than its factorization.

205053904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165098 (or 1165092 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 205053904 is about 14319.7033488826. The cubic root of 205053904 is about 589.6885304191.

The spelling of 205053904 in words is "two hundred five million, fifty-three thousand, nine hundred four".