204505335916 has 36 divisors (see below), whose sum is σ = 416397897048. Its totient is φ = 87627572928.

The previous prime is 204505335899. The next prime is 204505335919. The reversal of 204505335916 is 619533505402.

It is not an unprimeable number, because it can be changed into a prime (204505335919) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 900115 + ... + 1104181.

Almost surely, 2^204505335916 is an apocalyptic number.

It is an amenable number.

204505335916 is an abundant number, since it is smaller than the sum of its proper divisors (211892561132).

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

204505335916 is a wasteful number, since it uses less digits than its factorization.

204505335916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209198 (or 209189 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 204505335916 in words is "two hundred four billion, five hundred five million, three hundred thirty-five thousand, nine hundred sixteen".