132355220 has 12 divisors (see below), whose sum is σ = 277946004. Its totient is φ = 52942080.

The previous prime is 132355219. The next prime is 132355241. The reversal of 132355220 is 22553231.

It can be written as a sum of positive squares in 2 ways, for example, as 73342096 + 59013124 = 8564^2 + 7682^2 .

It is a super-2 number, since 2×132355220² = 35035808522496800, which contains 22 as substring.

It is a congruent number.

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, 3308861 + ... + 3308900.

It is an arithmetic number, because the mean of its divisors is an integer number (23162167).

Almost surely, 2^132355220 is an apocalyptic number.

132355220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132355220 is an abundant number, since it is smaller than the sum of its proper divisors (145590784).

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

132355220 is a wasteful number, since it uses less digits than its factorization.

132355220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6617770 (or 6617768 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 132355220 is about 11504.5738730298. The cubic root of 132355220 is about 509.6206585771.

The spelling of 132355220 in words is "one hundred thirty-two million, three hundred fifty-five thousand, two hundred twenty".