204745206688 has 48 divisors (see below), whose sum is σ = 441657286560. Its totient is φ = 92659564800.

The previous prime is 204745206641. The next prime is 204745206737. The reversal of 204745206688 is 886602547402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189398 + ... + 1350613.

It is an arithmetic number, because the mean of its divisors is an integer number (9201193470).

Almost surely, 2^204745206688 is an apocalyptic number.

It is an amenable number.

204745206688 is an abundant number, since it is smaller than the sum of its proper divisors (236912079872).

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

204745206688 is a wasteful number, since it uses less digits than its factorization.

204745206688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540261 (or 2540253 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 204745206688 in words is "two hundred four billion, seven hundred forty-five million, two hundred six thousand, six hundred eighty-eight".