204002435321 has 8 divisors (see below), whose sum is σ = 210455556864. Its totient is φ = 197598763440.

The previous prime is 204002435311. The next prime is 204002435353. The reversal of 204002435321 is 123534200402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204002435321 - 2²² = 203998241017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204002435311) 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, 12354035 + ... + 12370536.

It is an arithmetic number, because the mean of its divisors is an integer number (26306944608).

Almost surely, 2^204002435321 is an apocalyptic number.

It is an amenable number.

204002435321 is a deficient number, since it is larger than the sum of its proper divisors (6453121543).

204002435321 is a wasteful number, since it uses less digits than its factorization.

204002435321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24724831.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 204002435321 its reverse (123534200402), we get a palindrome (327536635723).

The spelling of 204002435321 in words is "two hundred four billion, two million, four hundred thirty-five thousand, three hundred twenty-one".