132201220 has 24 divisors (see below), whose sum is σ = 284395608. Its totient is φ = 51590400.

The previous prime is 132201211. The next prime is 132201229. The reversal of 132201220 is 22102231.

It is an interprime number because it is at equal distance from previous prime (132201211) and next prime (132201229).

It can be written as a sum of positive squares in 4 ways, for example, as 2742336 + 129458884 = 1656^2 + 11378^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 132201220.

It is not an unprimeable number, because it can be changed into a prime (132201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79791 + ... + 81430.

It is an arithmetic number, because the mean of its divisors is an integer number (11849817).

Almost surely, 2^132201220 is an apocalyptic number.

132201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132201220 is an abundant number, since it is smaller than the sum of its proper divisors (152194388).

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

132201220 is a wasteful number, since it uses less digits than its factorization.

132201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161271 (or 161269 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 132201220 is about 11497.8789348297. The cubic root of 132201220 is about 509.4229279554.

Adding to 132201220 its reverse (22102231), we get a palindrome (154303451).

The spelling of 132201220 in words is "one hundred thirty-two million, two hundred one thousand, two hundred twenty".