20344330114021 has 2 divisors, whose sum is σ = 20344330114022. Its totient is φ = 20344330114020.

The previous prime is 20344330114019. The next prime is 20344330114081. The reversal of 20344330114021 is 12041103344302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18371176117921 + 1973153996100 = 4286161^2 + 1404690^2 .

It is a cyclic number.

It is not a de Polignac number, because 20344330114021 - 2¹ = 20344330114019 is a prime.

Together with 20344330114019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20344330114081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172165057010 + 10172165057011.

It is an arithmetic number, because the mean of its divisors is an integer number (10172165057011).

Almost surely, 2^{20344330114021} is an apocalyptic number.

It is an amenable number.

20344330114021 is a deficient number, since it is larger than the sum of its proper divisors (1).

20344330114021 is an equidigital number, since it uses as much as digits as its factorization.

20344330114021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20344330114021 its reverse (12041103344302), we get a palindrome (32385433458323).

The spelling of 20344330114021 in words is "twenty trillion, three hundred forty-four billion, three hundred thirty million, one hundred fourteen thousand, twenty-one".