20444143305941 has 2 divisors, whose sum is σ = 20444143305942. Its totient is φ = 20444143305940.

The previous prime is 20444143305919. The next prime is 20444143305947. The reversal of 20444143305941 is 14950334144402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15095330743441 + 5348812562500 = 3885271^2 + 2312750^2 .

It is a cyclic number.

It is not a de Polignac number, because 20444143305941 - 2⁶ = 20444143305877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20444143305892 and 20444143305901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20444143305947) 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, 10222071652970 + 10222071652971.

It is an arithmetic number, because the mean of its divisors is an integer number (10222071652971).

Almost surely, 2^{20444143305941} is an apocalyptic number.

It is an amenable number.

20444143305941 is a deficient number, since it is larger than the sum of its proper divisors (1).

20444143305941 is an equidigital number, since it uses as much as digits as its factorization.

20444143305941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 20444143305941 in words is "twenty trillion, four hundred forty-four billion, one hundred forty-three million, three hundred five thousand, nine hundred forty-one".