205016405304 has 32 divisors (see below), whose sum is σ = 512616042000. Its totient is φ = 68328797952.

The previous prime is 205016405267. The next prime is 205016405353. The reversal of 205016405304 is 403504610502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456949 + ... + 786660.

Almost surely, 2^205016405304 is an apocalyptic number.

205016405304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

205016405304 is an abundant number, since it is smaller than the sum of its proper divisors (307599636696).

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

205016405304 is a wasteful number, since it uses less digits than its factorization.

205016405304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250487 (or 1250483 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 205016405304 in words is "two hundred five billion, sixteen million, four hundred five thousand, three hundred four".