220343313 has 16 divisors (see below), whose sum is σ = 299920320. Its totient is φ = 143841984.

The previous prime is 220343311. The next prime is 220343329. The reversal of 220343313 is 313343022.

It is not a de Polignac number, because 220343313 - 2¹ = 220343311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220343313.

It is not an unprimeable number, because it can be changed into a prime (220343311) 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, 107583 + ... + 109611.

It is an arithmetic number, because the mean of its divisors is an integer number (18745020).

Almost surely, 2^220343313 is an apocalyptic number.

It is an amenable number.

220343313 is a deficient number, since it is larger than the sum of its proper divisors (79577007).

220343313 is a wasteful number, since it uses less digits than its factorization.

220343313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 220343313 is about 14843.9655415930. The cubic root of 220343313 is about 603.9949279942.

Adding to 220343313 its reverse (313343022), we get a palindrome (533686335).

The spelling of 220343313 in words is "two hundred twenty million, three hundred forty-three thousand, three hundred thirteen".