204113424220 has 24 divisors (see below), whose sum is σ = 428738310000. Its totient is φ = 81626299392.

The previous prime is 204113424167. The next prime is 204113424223. The reversal of 204113424220 is 22424311402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204113424223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103970 + ... + 1275529.

It is an arithmetic number, because the mean of its divisors is an integer number (17864096250).

Almost surely, 2^204113424220 is an apocalyptic number.

204113424220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204113424220 is an abundant number, since it is smaller than the sum of its proper divisors (224624885780).

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

204113424220 is a wasteful number, since it uses less digits than its factorization.

204113424220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383797 (or 2383795 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 204113424220 its reverse (22424311402), we get a palindrome (226537735622).

The spelling of 204113424220 in words is "two hundred four billion, one hundred thirteen million, four hundred twenty-four thousand, two hundred twenty".