20302321032313 has 48 divisors (see below), whose sum is σ = 22413016042560. Its totient is φ = 18364190140800.

The previous prime is 20302321032289. The next prime is 20302321032391. The reversal of 20302321032313 is 31323012320302.

It is a de Polignac number, because none of the positive numbers 2^k-20302321032313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302321036313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 639608623 + ... + 639640363.

It is an arithmetic number, because the mean of its divisors is an integer number (466937834220).

Almost surely, 2^{20302321032313} is an apocalyptic number.

It is an amenable number.

20302321032313 is a deficient number, since it is larger than the sum of its proper divisors (2110695010247).

20302321032313 is a wasteful number, since it uses less digits than its factorization.

20302321032313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32486 (or 32467 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20302321032313 its reverse (31323012320302), we get a palindrome (51625333352615).

The spelling of 20302321032313 in words is "twenty trillion, three hundred two billion, three hundred twenty-one million, thirty-two thousand, three hundred thirteen".