132551220 has 48 divisors (see below), whose sum is σ = 390680640. Its totient is φ = 33486336.

The previous prime is 132551219. The next prime is 132551269. The reversal of 132551220 is 22155231.

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, 56997 + ... + 59276.

It is an arithmetic number, because the mean of its divisors is an integer number (8139180).

Almost surely, 2^132551220 is an apocalyptic number.

132551220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132551220 is an abundant number, since it is smaller than the sum of its proper divisors (258129420).

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

132551220 is a wasteful number, since it uses less digits than its factorization.

132551220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116304 (or 116302 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 132551220 is about 11513.0890728770. The cubic root of 132551220 is about 509.8720940297.

The spelling of 132551220 in words is "one hundred thirty-two million, five hundred fifty-one thousand, two hundred twenty".