205982072 has 16 divisors (see below), whose sum is σ = 391106400. Its totient is φ = 101687040.

The previous prime is 205982017. The next prime is 205982093. The reversal of 205982072 is 270289502.

It is a super-2 number, since 2×205982072² = 84857227970826368, which contains 22 as substring.

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, 162329 + ... + 163592.

It is an arithmetic number, because the mean of its divisors is an integer number (24444150).

Almost surely, 2^205982072 is an apocalyptic number.

It is an amenable number.

205982072 is a deficient number, since it is larger than the sum of its proper divisors (185124328).

205982072 is a wasteful number, since it uses less digits than its factorization.

205982072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326006 (or 326002 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 205982072 is about 14352.0755293442. The cubic root of 205982072 is about 590.5769249038.

The spelling of 205982072 in words is "two hundred five million, nine hundred eighty-two thousand, seventy-two".