205931328 has 56 divisors (see below), whose sum is σ = 568561728. Its totient is φ = 65657856.

The previous prime is 205931317. The next prime is 205931333. The reversal of 205931328 is 823139502.

It is a congruent number.

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, 18901 + ... + 27732.

It is an arithmetic number, because the mean of its divisors is an integer number (10152888).

Almost surely, 2^205931328 is an apocalyptic number.

It is an amenable number.

205931328 is an abundant number, since it is smaller than the sum of its proper divisors (362630400).

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

205931328 is a wasteful number, since it uses less digits than its factorization.

205931328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46671 (or 46661 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 205931328 is about 14350.3075925222. The cubic root of 205931328 is about 590.5284244098.

The spelling of 205931328 in words is "two hundred five million, nine hundred thirty-one thousand, three hundred twenty-eight".