20023320023171 has 2 divisors, whose sum is σ = 20023320023172. Its totient is φ = 20023320023170.

The previous prime is 20023320023107. The next prime is 20023320023197. The reversal of 20023320023171 is 17132002332002.

It is a happy number.

It is an a-pointer prime, because the next prime (20023320023197) can be obtained adding 20023320023171 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20023320023171 - 2⁶ = 20023320023107 is a prime.

It is a super-3 number, since 3×20023320023171³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20023320023171.

It is not a weakly prime, because it can be changed into another prime (20023329023171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011660011585 + 10011660011586.

It is an arithmetic number, because the mean of its divisors is an integer number (10011660011586).

Almost surely, 2^{20023320023171} is an apocalyptic number.

20023320023171 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023320023171 is an equidigital number, since it uses as much as digits as its factorization.

20023320023171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 20023320023171 its reverse (17132002332002), we get a palindrome (37155322355173).

The spelling of 20023320023171 in words is "twenty trillion, twenty-three billion, three hundred twenty million, twenty-three thousand, one hundred seventy-one".