204320600 has 72 divisors (see below), whose sum is σ = 522219180. Its totient is φ = 74289600.

The previous prime is 204320591. The next prime is 204320647. The reversal of 204320600 is 6023402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19979 + ... + 28421.

Almost surely, 2^204320600 is an apocalyptic number.

204320600 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 204320600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261109590).

204320600 is an abundant number, since it is smaller than the sum of its proper divisors (317898580).

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

204320600 is a wasteful number, since it uses less digits than its factorization.

204320600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8481 (or 8461 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 204320600 is about 14294.0756958958. The cubic root of 204320600 is about 588.9847521378.

The spelling of 204320600 in words is "two hundred four million, three hundred twenty thousand, six hundred".