20333344331121 has 16 divisors (see below), whose sum is σ = 27241373104128. Its totient is φ = 13490447518800.

The previous prime is 20333344330991. The next prime is 20333344331129. The reversal of 20333344331121 is 12113344333302.

It is a happy number.

It is not a de Polignac number, because 20333344331121 - 2²⁹ = 20332807460209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20333344331129) 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, 8850136 + ... + 10908326.

It is an arithmetic number, because the mean of its divisors is an integer number (1702585819008).

Almost surely, 2^{20333344331121} is an apocalyptic number.

It is an amenable number.

20333344331121 is a deficient number, since it is larger than the sum of its proper divisors (6908028773007).

20333344331121 is a wasteful number, since it uses less digits than its factorization.

20333344331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074012.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 20333344331121 its reverse (12113344333302), we get a palindrome (32446688664423).

The spelling of 20333344331121 in words is "twenty trillion, three hundred thirty-three billion, three hundred forty-four million, three hundred thirty-one thousand, one hundred twenty-one".