20013112122033 has 4 divisors (see below), whose sum is σ = 26684149496048. Its totient is φ = 13342074748020.

The previous prime is 20013112121999. The next prime is 20013112122043. The reversal of 20013112122033 is 33022121131002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20013112122033 - 2¹⁷ = 20013111990961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20013112122043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3335518687003 + ... + 3335518687008.

It is an arithmetic number, because the mean of its divisors is an integer number (6671037374012).

Almost surely, 2^{20013112122033} is an apocalyptic number.

It is an amenable number.

20013112122033 is a deficient number, since it is larger than the sum of its proper divisors (6671037374015).

20013112122033 is an equidigital number, since it uses as much as digits as its factorization.

20013112122033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6671037374014.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20013112122033 its reverse (33022121131002), we get a palindrome (53035233253035).

The spelling of 20013112122033 in words is "twenty trillion, thirteen billion, one hundred twelve million, one hundred twenty-two thousand, thirty-three".