220323109 has 4 divisors (see below), whose sum is σ = 220380480. Its totient is φ = 220265740.

The previous prime is 220323097. The next prime is 220323119. The reversal of 220323109 is 901323022.

220323109 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220323109 - 2²⁵ = 186768677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220323109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220323119) 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, 22477 + ... + 30754.

It is an arithmetic number, because the mean of its divisors is an integer number (55095120).

Almost surely, 2^220323109 is an apocalyptic number.

It is an amenable number.

220323109 is a deficient number, since it is larger than the sum of its proper divisors (57371).

220323109 is an equidigital number, since it uses as much as digits as its factorization.

220323109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57370.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 220323109 is about 14843.2849800844. The cubic root of 220323109 is about 603.9764666722.

The spelling of 220323109 in words is "two hundred twenty million, three hundred twenty-three thousand, one hundred nine".