132221431420 has 48 divisors (see below), whose sum is σ = 316613501568. Its totient is φ = 45948441600.

The previous prime is 132221431411. The next prime is 132221431421. The reversal of 132221431420 is 24134122231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132221431421) 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, 14952756 + ... + 14961595.

It is an arithmetic number, because the mean of its divisors is an integer number (6596114616).

Almost surely, 2^132221431420 is an apocalyptic number.

132221431420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132221431420 is an abundant number, since it is smaller than the sum of its proper divisors (184392070148).

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

132221431420 is a wasteful number, since it uses less digits than its factorization.

132221431420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29914390 (or 29914388 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 132221431420 its reverse (24134122231), we get a palindrome (156355553651).

The spelling of 132221431420 in words is "one hundred thirty-two billion, two hundred twenty-one million, four hundred thirty-one thousand, four hundred twenty".