204323442252 has 48 divisors (see below), whose sum is σ = 510928680192. Its totient is φ = 63385882560.

The previous prime is 204323442227. The next prime is 204323442259. The reversal of 204323442252 is 252244323402.

It is not an unprimeable number, because it can be changed into a prime (204323442259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9993874 + ... + 10014297.

It is an arithmetic number, because the mean of its divisors is an integer number (10644347504).

Almost surely, 2^204323442252 is an apocalyptic number.

It is an amenable number.

204323442252 is an abundant number, since it is smaller than the sum of its proper divisors (306605237940).

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

204323442252 is a wasteful number, since it uses less digits than its factorization.

204323442252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20008238 (or 20008236 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 204323442252 its reverse (252244323402), we get a palindrome (456567765654).

The spelling of 204323442252 in words is "two hundred four billion, three hundred twenty-three million, four hundred forty-two thousand, two hundred fifty-two".