204320352 has 48 divisors (see below), whose sum is σ = 541380672. Its totient is φ = 67466880.

The previous prime is 204320317. The next prime is 204320377. The reversal of 204320352 is 253023402.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 327 + ... + 20217.

It is an arithmetic number, because the mean of its divisors is an integer number (11278764).

Almost surely, 2^204320352 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 204320352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270690336).

204320352 is an abundant number, since it is smaller than the sum of its proper divisors (337060320).

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

204320352 is a wasteful number, since it uses less digits than its factorization.

204320352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20011 (or 20003 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 204320352 is about 14294.0670209706. The cubic root of 204320352 is about 588.9845138386.

Adding to 204320352 its reverse (253023402), we get a palindrome (457343754).

The spelling of 204320352 in words is "two hundred four million, three hundred twenty thousand, three hundred fifty-two".