20323312103321 has 8 divisors (see below), whose sum is σ = 20401393681800. Its totient is φ = 20245249267840.

The previous prime is 20323312103309. The next prime is 20323312103371. The reversal of 20323312103321 is 12330121332302.

It can be written as a sum of positive squares in 4 ways, for example, as 213370086400 + 20109942016921 = 461920^2 + 4484411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20323312103321 - 2¹⁰ = 20323312102297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20323312103371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2511020 + ... + 6852141.

It is an arithmetic number, because the mean of its divisors is an integer number (2550174210225).

Almost surely, 2^{20323312103321} is an apocalyptic number.

It is an amenable number.

20323312103321 is a deficient number, since it is larger than the sum of its proper divisors (78081578479).

20323312103321 is an equidigital number, since it uses as much as digits as its factorization.

20323312103321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9371499.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20323312103321 its reverse (12330121332302), we get a palindrome (32653433435623).

The spelling of 20323312103321 in words is "twenty trillion, three hundred twenty-three billion, three hundred twelve million, one hundred three thousand, three hundred twenty-one".