20424233422113 has 16 divisors (see below), whose sum is σ = 28495851972096. Its totient is φ = 12996418965120.

The previous prime is 20424233422097. The next prime is 20424233422139. The reversal of 20424233422113 is 31122433242402.

It is a happy number.

It is not a de Polignac number, because 20424233422113 - 2⁴ = 20424233422097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20424233422513) 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, 1504208370 + ... + 1504221947.

It is an arithmetic number, because the mean of its divisors is an integer number (1780990748256).

Almost surely, 2^{20424233422113} is an apocalyptic number.

It is an amenable number.

20424233422113 is a deficient number, since it is larger than the sum of its proper divisors (8071618549983).

20424233422113 is a wasteful number, since it uses less digits than its factorization.

20424233422113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008430424.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 20424233422113 its reverse (31122433242402), we get a palindrome (51546666664515).

The spelling of 20424233422113 in words is "twenty trillion, four hundred twenty-four billion, two hundred thirty-three million, four hundred twenty-two thousand, one hundred thirteen".