204016122680 has 32 divisors (see below), whose sum is σ = 460602979200. Its totient is φ = 81327924096.

The previous prime is 204016122659. The next prime is 204016122689. The reversal of 204016122680 is 86221610402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204016122689) 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, 8692040 + ... + 8715479.

It is an arithmetic number, because the mean of its divisors is an integer number (14393843100).

Almost surely, 2^204016122680 is an apocalyptic number.

204016122680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204016122680 is an abundant number, since it is smaller than the sum of its proper divisors (256586856520).

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

204016122680 is a wasteful number, since it uses less digits than its factorization.

204016122680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17407823 (or 17407819 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 204016122680 in words is "two hundred four billion, sixteen million, one hundred twenty-two thousand, six hundred eighty".