220300311213 has 24 divisors (see below), whose sum is σ = 321575145528. Its totient is φ = 145315233792.

The previous prime is 220300311169. The next prime is 220300311227. The reversal of 220300311213 is 312113003022.

It can be written as a sum of positive squares in 4 ways, for example, as 97196168169 + 123104143044 = 311763^2 + 350862^2 .

It is not a de Polignac number, because 220300311213 - 2⁹ = 220300310701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220300311613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3577581 + ... + 3638637.

It is an arithmetic number, because the mean of its divisors is an integer number (13398964397).

Almost surely, 2^220300311213 is an apocalyptic number.

It is an amenable number.

220300311213 is a deficient number, since it is larger than the sum of its proper divisors (101274834315).

220300311213 is a wasteful number, since it uses less digits than its factorization.

220300311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65293 (or 65290 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 220300311213 its reverse (312113003022), we get a palindrome (532413314235).

The spelling of 220300311213 in words is "two hundred twenty billion, three hundred million, three hundred eleven thousand, two hundred thirteen".