20244464141021 has 2 divisors, whose sum is σ = 20244464141022. Its totient is φ = 20244464141020.

The previous prime is 20244464140937. The next prime is 20244464141029. The reversal of 20244464141021 is 12014146444202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14585417875396 + 5659046265625 = 3819086^2 + 2378875^2 .

It is a cyclic number.

It is not a de Polignac number, because 20244464141021 - 2¹⁰ = 20244464139997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20244464141029) 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, 10122232070510 + 10122232070511.

It is an arithmetic number, because the mean of its divisors is an integer number (10122232070511).

Almost surely, 2^{20244464141021} is an apocalyptic number.

It is an amenable number.

20244464141021 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244464141021 is an equidigital number, since it uses as much as digits as its factorization.

20244464141021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49152, while the sum is 35.

The spelling of 20244464141021 in words is "twenty trillion, two hundred forty-four billion, four hundred sixty-four million, one hundred forty-one thousand, twenty-one".