204644020424 has 32 divisors (see below), whose sum is σ = 388542096000. Its totient is φ = 101035896192.

The previous prime is 204644020417. The next prime is 204644020447. The reversal of 204644020424 is 424020446402.

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, 335597 + ... + 722435.

It is an arithmetic number, because the mean of its divisors is an integer number (12141940500).

Almost surely, 2^204644020424 is an apocalyptic number.

It is an amenable number.

204644020424 is a deficient number, since it is larger than the sum of its proper divisors (183898075576).

204644020424 is a wasteful number, since it uses less digits than its factorization.

204644020424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387677 (or 387673 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 204644020424 its reverse (424020446402), we get a palindrome (628664466826).

The spelling of 204644020424 in words is "two hundred four billion, six hundred forty-four million, twenty thousand, four hundred twenty-four".