20310012034321 has 8 divisors (see below), whose sum is σ = 20331802032840. Its totient is φ = 20288223040512.

The previous prime is 20310012034303. The next prime is 20310012034373. The reversal of 20310012034321 is 12343021001302.

It can be written as a sum of positive squares in 4 ways, for example, as 2956422330625 + 17353589703696 = 1719425^2 + 4165764^2 .

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 20310012034321 - 2¹⁵ = 20310012001553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20310012034292 and 20310012034301.

It is not an unprimeable number, because it can be changed into a prime (20310012034121) 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, 44457961 + ... + 44912473.

It is an arithmetic number, because the mean of its divisors is an integer number (2541475254105).

Almost surely, 2^{20310012034321} is an apocalyptic number.

It is an amenable number.

20310012034321 is a deficient number, since it is larger than the sum of its proper divisors (21789998519).

20310012034321 is an equidigital number, since it uses as much as digits as its factorization.

20310012034321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502355.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20310012034321 its reverse (12343021001302), we get a palindrome (32653033035623).

The spelling of 20310012034321 in words is "twenty trillion, three hundred ten billion, twelve million, thirty-four thousand, three hundred twenty-one".