204532544420 has 48 divisors (see below), whose sum is σ = 432361413120. Its totient is φ = 81271741824.

The previous prime is 204532544401. The next prime is 204532544441. The reversal of 204532544420 is 24445235402.

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, 23982197 + ... + 23990723.

It is an arithmetic number, because the mean of its divisors is an integer number (9007529440).

Almost surely, 2^204532544420 is an apocalyptic number.

204532544420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204532544420 is an abundant number, since it is smaller than the sum of its proper divisors (227828868700).

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

204532544420 is a wasteful number, since it uses less digits than its factorization.

204532544420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16332 (or 16330 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 204532544420 its reverse (24445235402), we get a palindrome (228977779822).

The spelling of 204532544420 in words is "two hundred four billion, five hundred thirty-two million, five hundred forty-four thousand, four hundred twenty".