20101320313 has 8 divisors (see below), whose sum is σ = 21250101600. Its totient is φ = 18961620768.

The previous prime is 20101320289. The next prime is 20101320329. The reversal of 20101320313 is 31302310102.

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 20101320313 - 2²⁵ = 20067765881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101320413) 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, 2265883 + ... + 2274736.

It is an arithmetic number, because the mean of its divisors is an integer number (2656262700).

Almost surely, 2^20101320313 is an apocalyptic number.

It is an amenable number.

20101320313 is a deficient number, since it is larger than the sum of its proper divisors (1148781287).

20101320313 is a wasteful number, since it uses less digits than its factorization.

20101320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540871.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20101320313 its reverse (31302310102), we get a palindrome (51403630415).

The spelling of 20101320313 in words is "twenty billion, one hundred one million, three hundred twenty thousand, three hundred thirteen".