20032112202231 has 32 divisors (see below), whose sum is σ = 28027189532160. Its totient is φ = 12702418185600.

The previous prime is 20032112202227. The next prime is 20032112202239. The reversal of 20032112202231 is 13220221123002.

It is not a de Polignac number, because 20032112202231 - 2² = 20032112202227 is a prime.

It is a super-2 number, since 2×20032112202231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20032112202198 and 20032112202207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032112202239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157435185 + ... + 157562373.

It is an arithmetic number, because the mean of its divisors is an integer number (875849672880).

Almost surely, 2^{20032112202231} is an apocalyptic number.

20032112202231 is a deficient number, since it is larger than the sum of its proper divisors (7995077329929).

20032112202231 is a wasteful number, since it uses less digits than its factorization.

20032112202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140007.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20032112202231 its reverse (13220221123002), we get a palindrome (33252333325233).

The spelling of 20032112202231 in words is "twenty trillion, thirty-two billion, one hundred twelve million, two hundred two thousand, two hundred thirty-one".