20323301313 has 32 divisors (see below), whose sum is σ = 31073955840. Its totient is φ = 11573976960.

The previous prime is 20323301311. The next prime is 20323301333. The reversal of 20323301313 is 31310332302.

It is not a de Polignac number, because 20323301313 - 2¹ = 20323301311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20323301313.

It is not an unprimeable number, because it can be changed into a prime (20323301311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10884606 + ... + 10886472.

It is an arithmetic number, because the mean of its divisors is an integer number (971061120).

Almost surely, 2^20323301313 is an apocalyptic number.

It is an amenable number.

20323301313 is a deficient number, since it is larger than the sum of its proper divisors (10750654527).

20323301313 is a wasteful number, since it uses less digits than its factorization.

20323301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20323301313 its reverse (31310332302), we get a palindrome (51633633615).

The spelling of 20323301313 in words is "twenty billion, three hundred twenty-three million, three hundred one thousand, three hundred thirteen".