20113001013 has 16 divisors (see below), whose sum is σ = 30651376256. Its totient is φ = 11492020800.

The previous prime is 20113001009. The next prime is 20113001047. The reversal of 20113001013 is 31010031102.

It is not a de Polignac number, because 20113001013 - 2² = 20113001009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20113001013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113001213) 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, 204795 + ... + 286647.

It is an arithmetic number, because the mean of its divisors is an integer number (1915711016).

Almost surely, 2^20113001013 is an apocalyptic number.

It is an amenable number.

20113001013 is a deficient number, since it is larger than the sum of its proper divisors (10538375243).

20113001013 is a wasteful number, since it uses less digits than its factorization.

20113001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93564.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20113001013 its reverse (31010031102), we get a palindrome (51123032115).

The spelling of 20113001013 in words is "twenty billion, one hundred thirteen million, one thousand, thirteen".