204312700 has 72 divisors (see below), whose sum is σ = 469969920. Its totient is φ = 76881600.

The previous prime is 204312697. The next prime is 204312727. The reversal of 204312700 is 7213402.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

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, 362619 + ... + 363181.

It is an arithmetic number, because the mean of its divisors is an integer number (6527360).

Almost surely, 2^204312700 is an apocalyptic number.

204312700 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 204312700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234984960).

204312700 is an abundant number, since it is smaller than the sum of its proper divisors (265657220).

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

204312700 is a wasteful number, since it uses less digits than its factorization.

204312700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 204312700 is about 14293.7993549651. The cubic root of 204312700 is about 588.9771610619.

The spelling of 204312700 in words is "two hundred four million, three hundred twelve thousand, seven hundred".