204120400313 has 8 divisors (see below), whose sum is σ = 207592400832. Its totient is φ = 200660912496.

The previous prime is 204120400261. The next prime is 204120400339. The reversal of 204120400313 is 313004021402.

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

It is a cyclic number.

It is not a de Polignac number, because 204120400313 - 2⁶ = 204120400249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204120400343) 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, 3095270 + ... + 3160527.

It is an arithmetic number, because the mean of its divisors is an integer number (25949050104).

Almost surely, 2^204120400313 is an apocalyptic number.

It is an amenable number.

204120400313 is a deficient number, since it is larger than the sum of its proper divisors (3472000519).

204120400313 is an equidigital number, since it uses as much as digits as its factorization.

204120400313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256351.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 204120400313 its reverse (313004021402), we get a palindrome (517124421715).

The spelling of 204120400313 in words is "two hundred four billion, one hundred twenty million, four hundred thousand, three hundred thirteen".