204002113040 has 80 divisors (see below), whose sum is σ = 517493396160. Its totient is φ = 74172572160.

The previous prime is 204002112971. The next prime is 204002113043. The reversal of 204002113040 is 40311200402.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (204002113043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10582931 + ... + 10602189.

It is an arithmetic number, because the mean of its divisors is an integer number (6468667452).

Almost surely, 2^204002113040 is an apocalyptic number.

204002113040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204002113040 is an abundant number, since it is smaller than the sum of its proper divisors (313491283120).

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

204002113040 is a wasteful number, since it uses less digits than its factorization.

204002113040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31320 (or 31314 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 204002113040 its reverse (40311200402), we get a palindrome (244313313442).

The spelling of 204002113040 in words is "two hundred four billion, two million, one hundred thirteen thousand, forty".