20313320326 has 32 divisors (see below), whose sum is σ = 33284069280. Its totient is φ = 9241185024.

The previous prime is 20313320303. The next prime is 20313320327. The reversal of 20313320326 is 62302331302.

It is a self number, because there is not a number n which added to its sum of digits gives 20313320326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313320327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5090340 + ... + 5094328.

It is an arithmetic number, because the mean of its divisors is an integer number (1040127165).

Almost surely, 2^20313320326 is an apocalyptic number.

20313320326 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20313320326 is a deficient number, since it is larger than the sum of its proper divisors (12970748954).

20313320326 is a wasteful number, since it uses less digits than its factorization.

20313320326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6760.

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

Adding to 20313320326 its reverse (62302331302), we get a palindrome (82615651628).

The spelling of 20313320326 in words is "twenty billion, three hundred thirteen million, three hundred twenty thousand, three hundred twenty-six".