20132131223100 has 144 divisors (see below), whose sum is σ = 62952896694240. Its totient is φ = 4937965670400.

The previous prime is 20132131223089. The next prime is 20132131223119. The reversal of 20132131223100 is 132213123102.

It is a super-2 number, since 2×20132131223100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8089305 + ... + 10281104.

It is an arithmetic number, because the mean of its divisors is an integer number (437172893710).

Almost surely, 2^{20132131223100} is an apocalyptic number.

20132131223100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20132131223100 is an abundant number, since it is smaller than the sum of its proper divisors (42820765471140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20132131223100 is a wasteful number, since it uses less digits than its factorization.

20132131223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18370720 (or 18370713 counting only the distinct ones).

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

Adding to 20132131223100 its reverse (132213123102), we get a palindrome (20264344346202).

The spelling of 20132131223100 in words is "twenty trillion, one hundred thirty-two billion, one hundred thirty-one million, two hundred twenty-three thousand, one hundred".