132442220 has 12 divisors (see below), whose sum is σ = 278128704. Its totient is φ = 52976880.

The previous prime is 132442213. The next prime is 132442237. The reversal of 132442220 is 22244231.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6622111 = 132442220 / (1 + 3 + 2 + 4 + 4 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 132442192 and 132442201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3311036 + ... + 3311075.

It is an arithmetic number, because the mean of its divisors is an integer number (23177392).

Almost surely, 2^132442220 is an apocalyptic number.

132442220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132442220 is an abundant number, since it is smaller than the sum of its proper divisors (145686484).

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

132442220 is a wasteful number, since it uses less digits than its factorization.

132442220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622120 (or 6622118 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 132442220 is about 11508.3543567271. The cubic root of 132442220 is about 509.7322957463.

Adding to 132442220 its reverse (22244231), we get a palindrome (154686451).

The spelling of 132442220 in words is "one hundred thirty-two million, four hundred forty-two thousand, two hundred twenty".