20111214013 has 32 divisors (see below), whose sum is σ = 23690983680. Its totient is φ = 16867968000.

The previous prime is 20111213999. The next prime is 20111214077. The reversal of 20111214013 is 31041211102.

It is a cyclic number.

It is not a de Polignac number, because 20111214013 - 2³³ = 11521279421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111214313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3544743 + ... + 3550411.

It is an arithmetic number, because the mean of its divisors is an integer number (740343240).

Almost surely, 2^20111214013 is an apocalyptic number.

It is an amenable number.

20111214013 is a deficient number, since it is larger than the sum of its proper divisors (3579769667).

20111214013 is a wasteful number, since it uses less digits than its factorization.

20111214013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6069.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20111214013 its reverse (31041211102), we get a palindrome (51152425115).

The spelling of 20111214013 in words is "twenty billion, one hundred eleven million, two hundred fourteen thousand, thirteen".