20023034321 has 2 divisors, whose sum is σ = 20023034322. Its totient is φ = 20023034320.

The previous prime is 20023034279. The next prime is 20023034357. The reversal of 20023034321 is 12343032002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16916644096 + 3106390225 = 130064^2 + 55735^2 .

It is a cyclic number.

It is not a de Polignac number, because 20023034321 - 2³⁰ = 18949292497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20023034293 and 20023034302.

It is not a weakly prime, because it can be changed into another prime (20023034821) 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 as a sum of consecutive naturals, namely, 10011517160 + 10011517161.

It is an arithmetic number, because the mean of its divisors is an integer number (10011517161).

Almost surely, 2^20023034321 is an apocalyptic number.

It is an amenable number.

20023034321 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023034321 is an equidigital number, since it uses as much as digits as its factorization.

20023034321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20023034321 its reverse (12343032002), we get a palindrome (32366066323).

The spelling of 20023034321 in words is "twenty billion, twenty-three million, thirty-four thousand, three hundred twenty-one".