132404221220 has 24 divisors (see below), whose sum is σ = 278997849144. Its totient is φ = 52780929536.

The previous prime is 132404221189. The next prime is 132404221283. The reversal of 132404221220 is 22122404231.

It can be written as a sum of positive squares in 4 ways, for example, as 30784807936 + 101619413284 = 175456^2 + 318778^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11291429 + ... + 11303148.

It is an arithmetic number, because the mean of its divisors is an integer number (11624910381).

Almost surely, 2^132404221220 is an apocalyptic number.

132404221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132404221220 is an abundant number, since it is smaller than the sum of its proper divisors (146593627924).

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

132404221220 is a wasteful number, since it uses less digits than its factorization.

132404221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22594879 (or 22594877 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 132404221220 its reverse (22122404231), we get a palindrome (154526625451).

The spelling of 132404221220 in words is "one hundred thirty-two billion, four hundred four million, two hundred twenty-one thousand, two hundred twenty".