205868082 has 64 divisors (see below), whose sum is σ = 479381760. Its totient is φ = 57729024.

The previous prime is 205868063. The next prime is 205868099. The reversal of 205868082 is 280868502.

It is a self number, because there is not a number n which added to its sum of digits gives 205868082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 883438 + ... + 883670.

It is an arithmetic number, because the mean of its divisors is an integer number (7490340).

Almost surely, 2^205868082 is an apocalyptic number.

205868082 is an abundant number, since it is smaller than the sum of its proper divisors (273513678).

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

205868082 is a wasteful number, since it uses less digits than its factorization.

205868082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 205868082 is about 14348.1037771547. The cubic root of 205868082 is about 590.4679635024.

The spelling of 205868082 in words is "two hundred five million, eight hundred sixty-eight thousand, eighty-two".