220033331 has 16 divisors (see below), whose sum is σ = 256048128. Its totient is φ = 185186400.

The previous prime is 220033313. The next prime is 220033393. The reversal of 220033331 is 133330022.

It is not a de Polignac number, because 220033331 - 2⁶ = 220033267 is a prime.

It is a super-2 number, since 2×220033331² = 96829333501911122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220033031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144866 + ... + 146376.

It is an arithmetic number, because the mean of its divisors is an integer number (16003008).

Almost surely, 2^220033331 is an apocalyptic number.

220033331 is a deficient number, since it is larger than the sum of its proper divisors (36014797).

220033331 is a wasteful number, since it uses less digits than its factorization.

220033331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 220033331 is about 14833.5205194182. The cubic root of 220033331 is about 603.7115589492.

Adding to 220033331 its reverse (133330022), we get a palindrome (353363353).

The spelling of 220033331 in words is "two hundred twenty million, thirty-three thousand, three hundred thirty-one".