20002213113311 has 24 divisors (see below), whose sum is σ = 23699444866272. Its totient is φ = 16769252491200.

The previous prime is 20002213113299. The next prime is 20002213113331. The reversal of 20002213113311 is 11331131220002.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-20002213113311 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 (20002213113331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4323491 + ... + 7661396.

It is an arithmetic number, because the mean of its divisors is an integer number (987476869428).

Almost surely, 2^{20002213113311} is an apocalyptic number.

20002213113311 is a deficient number, since it is larger than the sum of its proper divisors (3697231752961).

20002213113311 is a wasteful number, since it uses less digits than its factorization.

20002213113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11985983 (or 11985972 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20002213113311 its reverse (11331131220002), we get a palindrome (31333344333313).

The spelling of 20002213113311 in words is "twenty trillion, two billion, two hundred thirteen million, one hundred thirteen thousand, three hundred eleven".