220001313 has 32 divisors (see below), whose sum is σ = 345083904. Its totient is φ = 122067072.

The previous prime is 220001311. The next prime is 220001317. The reversal of 220001313 is 313100022.

It is a happy number.

It is not a de Polignac number, because 220001313 - 2¹ = 220001311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220001311) 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 31 ways as a sum of consecutive naturals, for example, 134406 + ... + 136032.

It is an arithmetic number, because the mean of its divisors is an integer number (10783872).

Almost surely, 2^220001313 is an apocalyptic number.

It is an amenable number.

220001313 is a deficient number, since it is larger than the sum of its proper divisors (125082591).

220001313 is a wasteful number, since it uses less digits than its factorization.

220001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 220001313 is about 14832.4412353463. The cubic root of 220001313 is about 603.6822746368.

Adding to 220001313 its reverse (313100022), we get a palindrome (533101335).

The spelling of 220001313 in words is "two hundred twenty million, one thousand, three hundred thirteen".