20001122112023 has 16 divisors (see below), whose sum is σ = 22067328026016. Its totient is φ = 18014145102720.

The previous prime is 20001122111963. The next prime is 20001122112029. The reversal of 20001122112023 is 32021122110002.

It is not a de Polignac number, because 20001122112023 - 2¹² = 20001122107927 is a prime.

It is a super-2 number, since 2×20001122112023² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20001122111992 and 20001122112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001122112029) 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 15 ways as a sum of consecutive naturals, for example, 80066465 + ... + 80315882.

It is an arithmetic number, because the mean of its divisors is an integer number (1379208001626).

Almost surely, 2^{20001122112023} is an apocalyptic number.

20001122112023 is a deficient number, since it is larger than the sum of its proper divisors (2066205913993).

20001122112023 is a wasteful number, since it uses less digits than its factorization.

20001122112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160382594.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20001122112023 its reverse (32021122110002), we get a palindrome (52022244222025).

The spelling of 20001122112023 in words is "twenty trillion, one billion, one hundred twenty-two million, one hundred twelve thousand, twenty-three".