220330211 has 4 divisors (see below), whose sum is σ = 220812792. Its totient is φ = 219847632.

The previous prime is 220330207. The next prime is 220330241. The reversal of 220330211 is 112033022.

It is a happy number.

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 220330211 - 2² = 220330207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220330241) 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, 240605 + ... + 241518.

It is an arithmetic number, because the mean of its divisors is an integer number (55203198).

Almost surely, 2^220330211 is an apocalyptic number.

220330211 is a deficient number, since it is larger than the sum of its proper divisors (482581).

220330211 is an equidigital number, since it uses as much as digits as its factorization.

220330211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482580.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 220330211 is about 14843.5242109143. The cubic root of 220330211 is about 603.9829562242.

Adding to 220330211 its reverse (112033022), we get a palindrome (332363233).

It can be divided in two parts, 22033021 and 1, that added together give a palindrome (22033022).

The spelling of 220330211 in words is "two hundred twenty million, three hundred thirty thousand, two hundred eleven".