20444717141 has 2 divisors, whose sum is σ = 20444717142. Its totient is φ = 20444717140.

The previous prime is 20444717101. The next prime is 20444717171. The reversal of 20444717141 is 14171744402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15736698916 + 4708018225 = 125446^2 + 68615^2 .

It is a cyclic number.

It is not a de Polignac number, because 20444717141 - 2¹⁸ = 20444454997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20444717101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10222358570 + 10222358571.

It is an arithmetic number, because the mean of its divisors is an integer number (10222358571).

Almost surely, 2^20444717141 is an apocalyptic number.

It is an amenable number.

20444717141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20444717141 is an equidigital number, since it uses as much as digits as its factorization.

20444717141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 35.

The spelling of 20444717141 in words is "twenty billion, four hundred forty-four million, seven hundred seventeen thousand, one hundred forty-one".