204064620004 has 12 divisors (see below), whose sum is σ = 408129240064. Its totient is φ = 87456265704.

The previous prime is 204064619981. The next prime is 204064620013. The reversal of 204064620004 is 400026460402.

204064620004 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 7288022143 = 204064620004 / (2 + 0 + 4 + 0 + 6 + 4 + 6 + 2 + 0 + 0 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3644011044 + ... + 3644011099.

Almost surely, 2^204064620004 is an apocalyptic number.

It is an amenable number.

204064620004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

204064620004 is a wasteful number, since it uses less digits than its factorization.

204064620004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288022154 (or 7288022152 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The spelling of 204064620004 in words is "two hundred four billion, sixty-four million, six hundred twenty thousand, four".