20323322013 has 16 divisors (see below), whose sum is σ = 28694776320. Its totient is φ = 12758915376.

The previous prime is 20323321981. The next prime is 20323322057. The reversal of 20323322013 is 31022332302.

It is not a de Polignac number, because 20323322013 - 2⁵ = 20323321981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323322093) 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 15 ways as a sum of consecutive naturals, for example, 1057995 + ... + 1077032.

It is an arithmetic number, because the mean of its divisors is an integer number (1793423520).

Almost surely, 2^20323322013 is an apocalyptic number.

It is an amenable number.

20323322013 is a deficient number, since it is larger than the sum of its proper divisors (8371454307).

20323322013 is a wasteful number, since it uses less digits than its factorization.

20323322013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135216.

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

Adding to 20323322013 its reverse (31022332302), we get a palindrome (51345654315).

The spelling of 20323322013 in words is "twenty billion, three hundred twenty-three million, three hundred twenty-two thousand, thirteen".