204524431320 has 64 divisors (see below), whose sum is σ = 669352688640. Its totient is φ = 49581680000.

The previous prime is 204524431297. The next prime is 204524431343. The reversal of 204524431320 is 23134425402.

It is an interprime number because it is at equal distance from previous prime (204524431297) and next prime (204524431343).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77470056 + ... + 77472695.

It is an arithmetic number, because the mean of its divisors is an integer number (10458635760).

Almost surely, 2^204524431320 is an apocalyptic number.

204524431320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204524431320 is an abundant number, since it is smaller than the sum of its proper divisors (464828257320).

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

204524431320 is a wasteful number, since it uses less digits than its factorization.

204524431320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154942776 (or 154942772 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 204524431320 its reverse (23134425402), we get a palindrome (227658856722).

The spelling of 204524431320 in words is "two hundred four billion, five hundred twenty-four million, four hundred thirty-one thousand, three hundred twenty".