204717732808 has 32 divisors (see below), whose sum is σ = 386557119360. Its totient is φ = 101637345600.

The previous prime is 204717732803. The next prime is 204717732829. The reversal of 204717732808 is 808237717402.

It is not an unprimeable number, because it can be changed into a prime (204717732803) 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, 995233 + ... + 1183183.

It is an arithmetic number, because the mean of its divisors is an integer number (12079909980).

Almost surely, 2^204717732808 is an apocalyptic number.

It is an amenable number.

204717732808 is a deficient number, since it is larger than the sum of its proper divisors (181839386552).

204717732808 is a wasteful number, since it uses less digits than its factorization.

204717732808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188917 (or 188913 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 204717732808 in words is "two hundred four billion, seven hundred seventeen million, seven hundred thirty-two thousand, eight hundred eight".