204244032100 has 72 divisors (see below), whose sum is σ = 466638536000. Its totient is φ = 77380790400.

The previous prime is 204244032089. The next prime is 204244032103. The reversal of 204244032100 is 1230442402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (204244032103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11769430 + ... + 11786770.

Almost surely, 2^204244032100 is an apocalyptic number.

204244032100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204244032100 is an abundant number, since it is smaller than the sum of its proper divisors (262394503900).

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

204244032100 is a wasteful number, since it uses less digits than its factorization.

204244032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23573 (or 23566 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 204244032100 its reverse (1230442402), we get a palindrome (205474474502).

The spelling of 204244032100 in words is "two hundred four billion, two hundred forty-four million, thirty-two thousand, one hundred".