204676900 has 72 divisors (see below), whose sum is σ = 457158240. Its totient is φ = 79511040.

The previous prime is 204676897. The next prime is 204676919. The reversal of 204676900 is 9676402.

It is a super-2 number, since 2×204676900² = 83785266787220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 666547 + ... + 666853.

It is an arithmetic number, because the mean of its divisors is an integer number (6349420).

Almost surely, 2^204676900 is an apocalyptic number.

204676900 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 204676900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228579120).

204676900 is an abundant number, since it is smaller than the sum of its proper divisors (252481340).

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

204676900 is a wasteful number, since it uses less digits than its factorization.

204676900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 204676900 is about 14306.5334725083. The cubic root of 204676900 is about 589.3269160400.

The spelling of 204676900 in words is "two hundred four million, six hundred seventy-six thousand, nine hundred".