20001110220331 has 4 divisors (see below), whose sum is σ = 20158599277312. Its totient is φ = 19843621163352.

The previous prime is 20001110220281. The next prime is 20001110220379. The reversal of 20001110220331 is 13302201110002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20001110220331 - 2²³ = 20001101831723 is a prime.

It is a super-2 number, since 2×20001110220331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001110220391) 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 3 ways as a sum of consecutive naturals, for example, 78744528300 + ... + 78744528553.

It is an arithmetic number, because the mean of its divisors is an integer number (5039649819328).

Almost surely, 2^{20001110220331} is an apocalyptic number.

20001110220331 is a deficient number, since it is larger than the sum of its proper divisors (157489056981).

20001110220331 is a wasteful number, since it uses less digits than its factorization.

20001110220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157489056980.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20001110220331 its reverse (13302201110002), we get a palindrome (33303311330333).

The spelling of 20001110220331 in words is "twenty trillion, one billion, one hundred ten million, two hundred twenty thousand, three hundred thirty-one".