20013130377313 has 4 divisors (see below), whose sum is σ = 20017413097668. Its totient is φ = 20008847656960.

The previous prime is 20013130377271. The next prime is 20013130377329. The reversal of 20013130377313 is 31377303131002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15720725413969 + 4292404963344 = 3964937^2 + 2071812^2 .

It is a cyclic number.

It is not a de Polignac number, because 20013130377313 - 2⁹ = 20013130376801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013130977313) 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, 2141353168 + ... + 2141362513.

It is an arithmetic number, because the mean of its divisors is an integer number (5004353274417).

Almost surely, 2^{20013130377313} is an apocalyptic number.

It is an amenable number.

20013130377313 is a deficient number, since it is larger than the sum of its proper divisors (4282720355).

20013130377313 is an equidigital number, since it uses as much as digits as its factorization.

20013130377313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282720354.

The product of its (nonzero) digits is 23814, while the sum is 34.

The spelling of 20013130377313 in words is "twenty trillion, thirteen billion, one hundred thirty million, three hundred seventy-seven thousand, three hundred thirteen".