20010310013 has 4 divisors (see below), whose sum is σ = 20048571168. Its totient is φ = 19972048860.

The previous prime is 20010309989. The next prime is 20010310031. The reversal of 20010310013 is 31001301002.

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 20010310013 - 2²⁶ = 19943201149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20010309976 and 20010310003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010310093) 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, 19129793 + ... + 19130838.

It is an arithmetic number, because the mean of its divisors is an integer number (5012142792).

Almost surely, 2^20010310013 is an apocalyptic number.

It is an amenable number.

20010310013 is a deficient number, since it is larger than the sum of its proper divisors (38261155).

20010310013 is an equidigital number, since it uses as much as digits as its factorization.

20010310013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38261154.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 20010310013 its reverse (31001301002), we get a palindrome (51011611015).

The spelling of 20010310013 in words is "twenty billion, ten million, three hundred ten thousand, thirteen".