204002013535320 has 384 divisors, whose sum is σ = 836387879120640. Its totient is φ = 39129257180160.

The previous prime is 204002013535283. The next prime is 204002013535343. The reversal of 204002013535320 is 23535310200402.

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 polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 120467622 + ... + 122149301.

It is an arithmetic number, because the mean of its divisors is an integer number (2178093435210).

Almost surely, 2^{204002013535320} is an apocalyptic number.

204002013535320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204002013535320 is an abundant number, since it is smaller than the sum of its proper divisors (632385865585320).

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

204002013535320 is a wasteful number, since it uses less digits than its factorization.

204002013535320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242616975 (or 242616964 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 204002013535320 its reverse (23535310200402), we get a palindrome (227537323735722).

The spelling of 204002013535320 in words is "two hundred four trillion, two billion, thirteen million, five hundred thirty-five thousand, three hundred twenty".