20300312323321 has 16 divisors (see below), whose sum is σ = 21318050724480. Its totient is φ = 19294133886720.

The previous prime is 20300312323307. The next prime is 20300312323349. The reversal of 20300312323321 is 12332321300302.

It is a cyclic number.

It is not a de Polignac number, because 20300312323321 - 2¹⁵ = 20300312290553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20300312323021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437056 + ... + 6386833.

It is an arithmetic number, because the mean of its divisors is an integer number (1332378170280).

Almost surely, 2^{20300312323321} is an apocalyptic number.

It is an amenable number.

20300312323321 is a deficient number, since it is larger than the sum of its proper divisors (1017738401159).

20300312323321 is a wasteful number, since it uses less digits than its factorization.

20300312323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6824736.

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

Adding to 20300312323321 its reverse (12332321300302), we get a palindrome (32632633623623).

The spelling of 20300312323321 in words is "twenty trillion, three hundred billion, three hundred twelve million, three hundred twenty-three thousand, three hundred twenty-one".