204329100 has 72 divisors (see below), whose sum is σ = 594423760. Its totient is φ = 54190080.

The previous prime is 204329057. The next prime is 204329131. The reversal of 204329100 is 1923402.

It is a super-2 number, since 2×204329100² = 83500762213620000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56136 + ... + 59664.

Almost surely, 2^204329100 is an apocalyptic number.

204329100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204329100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297211880).

204329100 is an abundant number, since it is smaller than the sum of its proper divisors (390094660).

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

204329100 is a wasteful number, since it uses less digits than its factorization.

204329100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739 (or 3732 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 204329100 is about 14294.3730187791. The cubic root of 204329100 is about 588.9929195325.

The spelling of 204329100 in words is "two hundred four million, three hundred twenty-nine thousand, one hundred".