20104213242313 has 4 divisors (see below), whose sum is σ = 20104589223040. Its totient is φ = 20103837261588.

The previous prime is 20104213242293. The next prime is 20104213242431. The reversal of 20104213242313 is 31324231240102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20104213242313 - 2²⁵ = 20104179687881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102213242313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187910145 + ... + 188017102.

It is an arithmetic number, because the mean of its divisors is an integer number (5026147305760).

Almost surely, 2^{20104213242313} is an apocalyptic number.

It is an amenable number.

20104213242313 is a deficient number, since it is larger than the sum of its proper divisors (375980727).

20104213242313 is an equidigital number, since it uses as much as digits as its factorization.

20104213242313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375980726.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20104213242313 its reverse (31324231240102), we get a palindrome (51428444482415).

The spelling of 20104213242313 in words is "twenty trillion, one hundred four billion, two hundred thirteen million, two hundred forty-two thousand, three hundred thirteen".