220320023 has 24 divisors (see below), whose sum is σ = 281545344. Its totient is φ = 170478000.

The previous prime is 220319971. The next prime is 220320043. The reversal of 220320023 is 320023022.

It is not a de Polignac number, because 220320023 - 2¹⁶ = 220254487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220320043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80036 + ... + 82742.

It is an arithmetic number, because the mean of its divisors is an integer number (11731056).

Almost surely, 2^220320023 is an apocalyptic number.

220320023 is a deficient number, since it is larger than the sum of its proper divisors (61225321).

220320023 is a wasteful number, since it uses less digits than its factorization.

220320023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883 (or 2876 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 220320023 is about 14843.1810269901. The cubic root of 220320023 is about 603.9736467531.

Adding to 220320023 its reverse (320023022), we get a palindrome (540343045).

The spelling of 220320023 in words is "two hundred twenty million, three hundred twenty thousand, twenty-three".