220330233 has 8 divisors (see below), whose sum is σ = 326415200. Its totient is φ = 146886804.

The previous prime is 220330207. The next prime is 220330241. The reversal of 220330233 is 332033022.

It is not a de Polignac number, because 220330233 - 2¹⁰ = 220329209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220330273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4080163 + ... + 4080216.

It is an arithmetic number, because the mean of its divisors is an integer number (40801900).

Almost surely, 2^220330233 is an apocalyptic number.

It is an amenable number.

220330233 is a deficient number, since it is larger than the sum of its proper divisors (106084967).

220330233 is an equidigital number, since it uses as much as digits as its factorization.

220330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8160388 (or 8160382 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 220330233 is about 14843.5249519782. The cubic root of 220330233 is about 603.9829763268.

Adding to 220330233 its reverse (332033022), we get a palindrome (552363255).

The spelling of 220330233 in words is "two hundred twenty million, three hundred thirty thousand, two hundred thirty-three".