204200131323320 has 32 divisors (see below), whose sum is σ = 501218504158320. Its totient is φ = 74254593208320.

The previous prime is 204200131323313. The next prime is 204200131323341. The reversal of 204200131323320 is 23323131002402.

It is a happy number.

It is a super-2 number, since 2×204200131323320² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 204200131323320.

It is a congruent number.

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, 232045603337 + ... + 232045604216.

Almost surely, 2^{204200131323320} is an apocalyptic number.

204200131323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204200131323320 is an abundant number, since it is smaller than the sum of its proper divisors (297018372835000).

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

204200131323320 is a wasteful number, since it uses less digits than its factorization.

204200131323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464091207575 (or 464091207571 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 204200131323320 its reverse (23323131002402), we get a palindrome (227523262325722).

The spelling of 204200131323320 in words is "two hundred four trillion, two hundred billion, one hundred thirty-one million, three hundred twenty-three thousand, three hundred twenty".