20032310321 has 2 divisors, whose sum is σ = 20032310322. Its totient is φ = 20032310320.

The previous prime is 20032310293. The next prime is 20032310339. The reversal of 20032310321 is 12301323002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18785443600 + 1246866721 = 137060^2 + 35311^2 .

It is a cyclic number.

It is not a de Polignac number, because 20032310321 - 2²⁶ = 19965201457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20032310321.

It is not a weakly prime, because it can be changed into another prime (20032310351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016155160 + 10016155161.

It is an arithmetic number, because the mean of its divisors is an integer number (10016155161).

Almost surely, 2^20032310321 is an apocalyptic number.

It is an amenable number.

20032310321 is a deficient number, since it is larger than the sum of its proper divisors (1).

20032310321 is an equidigital number, since it uses as much as digits as its factorization.

20032310321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20032310321 its reverse (12301323002), we get a palindrome (32333633323).

The spelling of 20032310321 in words is "twenty billion, thirty-two million, three hundred ten thousand, three hundred twenty-one".