204344030320 has 80 divisors (see below), whose sum is σ = 477626251392. Its totient is φ = 81303425280.

The previous prime is 204344030291. The next prime is 204344030323. The reversal of 204344030320 is 23030443402.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204344030323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56090419 + ... + 56094061.

Almost surely, 2^204344030320 is an apocalyptic number.

204344030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204344030320 is an abundant number, since it is smaller than the sum of its proper divisors (273282221072).

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

204344030320 is a wasteful number, since it uses less digits than its factorization.

204344030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190 (or 7184 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 204344030320 its reverse (23030443402), we get a palindrome (227374473722).

The spelling of 204344030320 in words is "two hundred four billion, three hundred forty-four million, thirty thousand, three hundred twenty".