132011220 has 48 divisors (see below), whose sum is σ = 403236288. Its totient is φ = 32002560.

The previous prime is 132011179. The next prime is 132011279. The reversal of 132011220 is 22110231.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 132011196 and 132011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99349 + ... + 100668.

It is an arithmetic number, because the mean of its divisors is an integer number (8400756).

Almost surely, 2^132011220 is an apocalyptic number.

132011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132011220 is an abundant number, since it is smaller than the sum of its proper divisors (271225068).

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

132011220 is a wasteful number, since it uses less digits than its factorization.

132011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200040 (or 200038 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 132011220 is about 11489.6135705253. The cubic root of 132011220 is about 509.1787628801.

Adding to 132011220 its reverse (22110231), we get a palindrome (154121451).

It can be divided in two parts, 132011 and 220, that added together give a palindrome (132231).

The spelling of 132011220 in words is "one hundred thirty-two million, eleven thousand, two hundred twenty".