20333002120231 has 4 divisors (see below), whose sum is σ = 20988905414464. Its totient is φ = 19677098826000.

The previous prime is 20333002120219. The next prime is 20333002120237. The reversal of 20333002120231 is 13202120033302.

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 20333002120231 - 2¹⁷ = 20333001989159 is a prime.

It is a super-2 number, since 2×20333002120231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333002120237) 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, 327951647070 + ... + 327951647131.

It is an arithmetic number, because the mean of its divisors is an integer number (5247226353616).

Almost surely, 2^{20333002120231} is an apocalyptic number.

20333002120231 is a deficient number, since it is larger than the sum of its proper divisors (655903294233).

20333002120231 is an equidigital number, since it uses as much as digits as its factorization.

20333002120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655903294232.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20333002120231 its reverse (13202120033302), we get a palindrome (33535122153533).

The spelling of 20333002120231 in words is "twenty trillion, three hundred thirty-three billion, two million, one hundred twenty thousand, two hundred thirty-one".