202020323313 has 16 divisors (see below), whose sum is σ = 278175973376. Its totient is φ = 130276397520.

The previous prime is 202020323299. The next prime is 202020323333. The reversal of 202020323313 is 313323020202.

It is not a de Polignac number, because 202020323313 - 2¹⁸ = 202020061169 is a prime.

It is a super-2 number, since 2×202020323313² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202020323313.

It is not an unprimeable number, because it can be changed into a prime (202020323333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288145 + ... + 697902.

It is an arithmetic number, because the mean of its divisors is an integer number (17385998336).

Almost surely, 2^202020323313 is an apocalyptic number.

It is an amenable number.

202020323313 is a deficient number, since it is larger than the sum of its proper divisors (76155650063).

202020323313 is a wasteful number, since it uses less digits than its factorization.

202020323313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988284.

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

Adding to 202020323313 its reverse (313323020202), we get a palindrome (515343343515).

The spelling of 202020323313 in words is "two hundred two billion, twenty million, three hundred twenty-three thousand, three hundred thirteen".