204001320032 has 48 divisors (see below), whose sum is σ = 412233040800. Its totient is φ = 99317007360.

The previous prime is 204001320031. The next prime is 204001320049. The reversal of 204001320032 is 230023100402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204001320031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515069 + ... + 820547.

It is an arithmetic number, because the mean of its divisors is an integer number (8588188350).

Almost surely, 2^204001320032 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 204001320032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206116520400).

204001320032 is an abundant number, since it is smaller than the sum of its proper divisors (208231720768).

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

204001320032 is a wasteful number, since it uses less digits than its factorization.

204001320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306039 (or 306031 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 204001320032 its reverse (230023100402), we get a palindrome (434024420434).

The spelling of 204001320032 in words is "two hundred four billion, one million, three hundred twenty thousand, thirty-two".