20013023013 has 16 divisors (see below), whose sum is σ = 26764920000. Its totient is φ = 13301623296.

The previous prime is 20013022993. The next prime is 20013023027. The reversal of 20013023013 is 31032031002.

It is not a de Polignac number, because 20013023013 - 2¹⁰ = 20013021989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20013022983 and 20013023001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013023813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1744131 + ... + 1755567.

It is an arithmetic number, because the mean of its divisors is an integer number (1672807500).

Almost surely, 2^20013023013 is an apocalyptic number.

It is an amenable number.

20013023013 is a deficient number, since it is larger than the sum of its proper divisors (6751896987).

20013023013 is a wasteful number, since it uses less digits than its factorization.

20013023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13156.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20013023013 its reverse (31032031002), we get a palindrome (51045054015).

The spelling of 20013023013 in words is "twenty billion, thirteen million, twenty-three thousand, thirteen".