204682697904 has 40 divisors (see below), whose sum is σ = 537431900272. Its totient is φ = 67109080320.

The previous prime is 204682697897. The next prime is 204682697909. The reversal of 204682697904 is 409796286402.

It is not an unprimeable number, because it can be changed into a prime (204682697909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34949719 + ... + 34955574.

Almost surely, 2^204682697904 is an apocalyptic number.

204682697904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204682697904 is an abundant number, since it is smaller than the sum of its proper divisors (332749202368).

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

204682697904 is a wasteful number, since it uses less digits than its factorization.

204682697904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69905365 (or 69905359 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 204682697904 in words is "two hundred four billion, six hundred eighty-two million, six hundred ninety-seven thousand, nine hundred four".