132220660 has 96 divisors (see below), whose sum is σ = 330728832. Its totient is φ = 43768320.

The previous prime is 132220651. The next prime is 132220661. The reversal of 132220660 is 66022231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132220661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237102 + ... + 237658.

It is an arithmetic number, because the mean of its divisors is an integer number (3445092).

Almost surely, 2^132220660 is an apocalyptic number.

132220660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132220660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165364416).

132220660 is an abundant number, since it is smaller than the sum of its proper divisors (198508172).

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

132220660 is a wasteful number, since it uses less digits than its factorization.

132220660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 132220660 is about 11498.7242770666. The cubic root of 132220660 is about 509.4478967021.

Adding to 132220660 its reverse (66022231), we get a palindrome (198242891).

The spelling of 132220660 in words is "one hundred thirty-two million, two hundred twenty thousand, six hundred sixty".