132420220432 has 40 divisors (see below), whose sum is σ = 257822920152. Its totient is φ = 65885798400.

The previous prime is 132420220399. The next prime is 132420220433. The reversal of 132420220432 is 234022024231.

It can be written as a sum of positive squares in 4 ways, for example, as 20786718976 + 111633501456 = 144176^2 + 334116^2 .

It is a super-2 number, since 2×132420220432² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 132420220397 and 132420220406.

It is not an unprimeable number, because it can be changed into a prime (132420220433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4182582 + ... + 4214122.

Almost surely, 2^132420220432 is an apocalyptic number.

It is an amenable number.

132420220432 is a deficient number, since it is larger than the sum of its proper divisors (125402699720).

132420220432 is a wasteful number, since it uses less digits than its factorization.

132420220432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32827 (or 32821 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 132420220432 its reverse (234022024231), we get a palindrome (366442244663).

The spelling of 132420220432 in words is "one hundred thirty-two billion, four hundred twenty million, two hundred twenty thousand, four hundred thirty-two".