220132460 has 12 divisors (see below), whose sum is σ = 462278208. Its totient is φ = 88052976.

The previous prime is 220132427. The next prime is 220132489. The reversal of 220132460 is 64231022.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11006623 = 220132460 / (2 + 2 + 0 + 1 + 3 + 2 + 4 + 6 + 0).

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, 5503292 + ... + 5503331.

It is an arithmetic number, because the mean of its divisors is an integer number (38523184).

Almost surely, 2^220132460 is an apocalyptic number.

220132460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220132460 is an abundant number, since it is smaller than the sum of its proper divisors (242145748).

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

220132460 is a wasteful number, since it uses less digits than its factorization.

220132460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006632 (or 11006630 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 220132460 is about 14836.8615279647. The cubic root of 220132460 is about 603.8022063342.

Adding to 220132460 its reverse (64231022), we get a palindrome (284363482).

The spelling of 220132460 in words is "two hundred twenty million, one hundred thirty-two thousand, four hundred sixty".