20323330112021 has 2 divisors, whose sum is σ = 20323330112022. Its totient is φ = 20323330112020.

The previous prime is 20323330111943. The next prime is 20323330112051. The reversal of 20323330112021 is 12021103332302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10204759971121 + 10118570140900 = 3194489^2 + 3180970^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323330112021 - 2¹⁸ = 20323329849877 is a prime.

It is a super-3 number, since 3×20323330112021³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323330112051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161665056010 + 10161665056011.

It is an arithmetic number, because the mean of its divisors is an integer number (10161665056011).

Almost surely, 2^{20323330112021} is an apocalyptic number.

It is an amenable number.

20323330112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323330112021 is an equidigital number, since it uses as much as digits as its factorization.

20323330112021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20323330112021 its reverse (12021103332302), we get a palindrome (32344433444323).

The spelling of 20323330112021 in words is "twenty trillion, three hundred twenty-three billion, three hundred thirty million, one hundred twelve thousand, twenty-one".