220232163 has 4 divisors (see below), whose sum is σ = 293642888. Its totient is φ = 146821440.

The previous prime is 220232123. The next prime is 220232189. The reversal of 220232163 is 361232022.

220232163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 220232163 - 2⁶ = 220232099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220232123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36705358 + ... + 36705363.

It is an arithmetic number, because the mean of its divisors is an integer number (73410722).

Almost surely, 2^220232163 is an apocalyptic number.

220232163 is a deficient number, since it is larger than the sum of its proper divisors (73410725).

220232163 is an equidigital number, since it uses as much as digits as its factorization.

220232163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73410724.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 220232163 is about 14840.2211236895. The cubic root of 220232163 is about 603.8933511611.

Adding to 220232163 its reverse (361232022), we get a palindrome (581464185).

The spelling of 220232163 in words is "two hundred twenty million, two hundred thirty-two thousand, one hundred sixty-three".