204099312 has 80 divisors (see below), whose sum is σ = 544777632. Its totient is φ = 65802240.

The previous prime is 204099299. The next prime is 204099347. The reversal of 204099312 is 213990402.

204099312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 204099312.

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 15 ways as a sum of consecutive naturals, for example, 269238 + ... + 269994.

Almost surely, 2^204099312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204099312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272388816).

204099312 is an abundant number, since it is smaller than the sum of its proper divisors (340678320).

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

204099312 is a wasteful number, since it uses less digits than its factorization.

204099312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 204099312 is about 14286.3330494567. Note that the first 3 decimals coincide. The cubic root of 204099312 is about 588.7720433865.

The spelling of 204099312 in words is "two hundred four million, ninety-nine thousand, three hundred twelve".