302220020313 has 12 divisors (see below), whose sum is σ = 438801897300. Its totient is φ = 200436074496.

The previous prime is 302220020299. The next prime is 302220020339. The reversal of 302220020313 is 313020022203.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121775175369 + 180444844944 = 348963^2 + 424788^2 .

It is not a de Polignac number, because 302220020313 - 2⁸ = 302220020057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (302220020363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86993088 + ... + 86996561.

It is an arithmetic number, because the mean of its divisors is an integer number (36566824775).

Almost surely, 2^302220020313 is an apocalyptic number.

It is an amenable number.

302220020313 is a deficient number, since it is larger than the sum of its proper divisors (136581876987).

302220020313 is a wasteful number, since it uses less digits than its factorization.

302220020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173989848 (or 173989845 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 302220020313 its reverse (313020022203), we get a palindrome (615240042516).

The spelling of 302220020313 in words is "three hundred two billion, two hundred twenty million, twenty thousand, three hundred thirteen".