205057050560 has 56 divisors (see below), whose sum is σ = 490745983200. Its totient is φ = 81610619904.

The previous prime is 205057050529. The next prime is 205057050581. The reversal of 205057050560 is 65050750502.

It is a self number, because there is not a number n which added to its sum of digits gives 205057050560.

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, 1546379 + ... + 1673738.

Almost surely, 2^205057050560 is an apocalyptic number.

205057050560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205057050560 is an abundant number, since it is smaller than the sum of its proper divisors (285688932640).

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

205057050560 is a wasteful number, since it uses less digits than its factorization.

205057050560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220333 (or 3220323 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 35.

The spelling of 205057050560 in words is "two hundred five billion, fifty-seven million, fifty thousand, five hundred sixty".