204002130400 has 72 divisors (see below), whose sum is σ = 507416913864. Its totient is φ = 80061196800.

The previous prime is 204002130383. The next prime is 204002130407. The reversal of 204002130400 is 4031200402.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204002130407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2363286 + ... + 2448085.

It is an arithmetic number, because the mean of its divisors is an integer number (7047457137).

Almost surely, 2^204002130400 is an apocalyptic number.

204002130400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204002130400 is an abundant number, since it is smaller than the sum of its proper divisors (303414783464).

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

204002130400 is a wasteful number, since it uses less digits than its factorization.

204002130400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811444 (or 4811431 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 204002130400 its reverse (4031200402), we get a palindrome (208033330802).

The spelling of 204002130400 in words is "two hundred four billion, two million, one hundred thirty thousand, four hundred".