220132459 has 4 divisors (see below), whose sum is σ = 220629816. Its totient is φ = 219635104.

The previous prime is 220132427. The next prime is 220132489. The reversal of 220132459 is 954231022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220132459 - 2⁵ = 220132427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220132489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248014 + ... + 248899.

It is an arithmetic number, because the mean of its divisors is an integer number (55157454).

Almost surely, 2^220132459 is an apocalyptic number.

220132459 is a deficient number, since it is larger than the sum of its proper divisors (497357).

220132459 is an equidigital number, since it uses as much as digits as its factorization.

220132459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497356.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 220132459 is about 14836.8614942649. The cubic root of 220132459 is about 603.8022054199.

The spelling of 220132459 in words is "two hundred twenty million, one hundred thirty-two thousand, four hundred fifty-nine".