204253100 has 18 divisors (see below), whose sum is σ = 443229444. Its totient is φ = 81701200.

The previous prime is 204253081. The next prime is 204253109. The reversal of 204253100 is 1352402.

204253100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×204253100² = 83438657719220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204253109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1021166 + ... + 1021365.

It is an arithmetic number, because the mean of its divisors is an integer number (24623858).

Almost surely, 2^204253100 is an apocalyptic number.

204253100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204253100 is an abundant number, since it is smaller than the sum of its proper divisors (238976344).

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

204253100 is a wasteful number, since it uses less digits than its factorization.

204253100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042545 (or 2042538 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 204253100 is about 14291.7143828164. The cubic root of 204253100 is about 588.9198853719.

The spelling of 204253100 in words is "two hundred four million, two hundred fifty-three thousand, one hundred".