20130003013 has 4 divisors (see below), whose sum is σ = 20253500128. Its totient is φ = 20006505900.

The previous prime is 20130003011. The next prime is 20130003037. The reversal of 20130003013 is 31030003102.

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 not a de Polignac number, because 20130003013 - 2¹ = 20130003011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20130002984 and 20130003002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130003011) 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, 61748313 + ... + 61748638.

It is an arithmetic number, because the mean of its divisors is an integer number (5063375032).

Almost surely, 2^20130003013 is an apocalyptic number.

It is an amenable number.

20130003013 is a deficient number, since it is larger than the sum of its proper divisors (123497115).

20130003013 is a wasteful number, since it uses less digits than its factorization.

20130003013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123497114.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20130003013 its reverse (31030003102), we get a palindrome (51160006115).

The spelling of 20130003013 in words is "twenty billion, one hundred thirty million, three thousand, thirteen".