205055516600 has 48 divisors (see below), whose sum is σ = 520095361320. Its totient is φ = 74565641600.

The previous prime is 205055516537. The next prime is 205055516639. The reversal of 205055516600 is 6615550502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46601327 + ... + 46605726.

Almost surely, 2^205055516600 is an apocalyptic number.

205055516600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205055516600 is an abundant number, since it is smaller than the sum of its proper divisors (315039844720).

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

205055516600 is a wasteful number, since it uses less digits than its factorization.

205055516600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93207080 (or 93207071 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 205055516600 in words is "two hundred five billion, fifty-five million, five hundred sixteen thousand, six hundred".