204322133220 has 24 divisors (see below), whose sum is σ = 572101973184. Its totient is φ = 54485902176.

The previous prime is 204322133219. The next prime is 204322133251. The reversal of 204322133220 is 22331223402.

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, 1702684384 + ... + 1702684503.

It is an arithmetic number, because the mean of its divisors is an integer number (23837582216).

Almost surely, 2^204322133220 is an apocalyptic number.

204322133220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204322133220 is an abundant number, since it is smaller than the sum of its proper divisors (367779839964).

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

204322133220 is a wasteful number, since it uses less digits than its factorization.

204322133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405368899 (or 3405368897 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 204322133220 its reverse (22331223402), we get a palindrome (226653356622).

The spelling of 204322133220 in words is "two hundred four billion, three hundred twenty-two million, one hundred thirty-three thousand, two hundred twenty".