20231432220133 has 16 divisors (see below), whose sum is σ = 20796269624640. Its totient is φ = 19667549696256.

The previous prime is 20231432220119. The next prime is 20231432220143. The reversal of 20231432220133 is 33102223413202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20231432220133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231432220143) 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, 303363810 + ... + 303430492.

It is an arithmetic number, because the mean of its divisors is an integer number (1299766851540).

Almost surely, 2^{20231432220133} is an apocalyptic number.

It is an amenable number.

20231432220133 is a deficient number, since it is larger than the sum of its proper divisors (564837404507).

20231432220133 is a wasteful number, since it uses less digits than its factorization.

20231432220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73716.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20231432220133 its reverse (33102223413202), we get a palindrome (53333655633335).

The spelling of 20231432220133 in words is "twenty trillion, two hundred thirty-one billion, four hundred thirty-two million, two hundred twenty thousand, one hundred thirty-three".