204423132220 has 24 divisors (see below), whose sum is σ = 433227009600. Its totient is φ = 81019075392.

The previous prime is 204423132211. The next prime is 204423132239. The reversal of 204423132220 is 22231324402.

204423132220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46883860 + ... + 46888219.

It is an arithmetic number, because the mean of its divisors is an integer number (18051125400).

Almost surely, 2^204423132220 is an apocalyptic number.

204423132220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204423132220 is an abundant number, since it is smaller than the sum of its proper divisors (228803877380).

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

204423132220 is a wasteful number, since it uses less digits than its factorization.

204423132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93772197 (or 93772195 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 204423132220 its reverse (22231324402), we get a palindrome (226654456622).

The spelling of 204423132220 in words is "two hundred four billion, four hundred twenty-three million, one hundred thirty-two thousand, two hundred twenty".