20441563141 has 2 divisors, whose sum is σ = 20441563142. Its totient is φ = 20441563140.

The previous prime is 20441563139. The next prime is 20441563159. The reversal of 20441563141 is 14136514402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12893602500 + 7547960641 = 113550^2 + 86879^2 .

It is a cyclic number.

It is not a de Polignac number, because 20441563141 - 2¹ = 20441563139 is a prime.

Together with 20441563139, 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 (20441563171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10220781570 + 10220781571.

It is an arithmetic number, because the mean of its divisors is an integer number (10220781571).

Almost surely, 2^20441563141 is an apocalyptic number.

It is an amenable number.

20441563141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441563141 is an equidigital number, since it uses as much as digits as its factorization.

20441563141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 20441563141 in words is "twenty billion, four hundred forty-one million, five hundred sixty-three thousand, one hundred forty-one".