20044302313 has 4 divisors (see below), whose sum is σ = 22907774080. Its totient is φ = 17180830548.

The previous prime is 20044302241. The next prime is 20044302323. The reversal of 20044302313 is 31320344002.

It is a happy number.

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 de Polignac number, because none of the positive numbers 2^k-20044302313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20044302323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431735873 + ... + 1431735886.

It is an arithmetic number, because the mean of its divisors is an integer number (5726943520).

Almost surely, 2^20044302313 is an apocalyptic number.

It is an amenable number.

20044302313 is a deficient number, since it is larger than the sum of its proper divisors (2863471767).

20044302313 is an equidigital number, since it uses as much as digits as its factorization.

20044302313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863471766.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20044302313 its reverse (31320344002), we get a palindrome (51364646315).

The spelling of 20044302313 in words is "twenty billion, forty-four million, three hundred two thousand, three hundred thirteen".