20441344279 has 2 divisors, whose sum is σ = 20441344280. Its totient is φ = 20441344278.

The previous prime is 20441344271. The next prime is 20441344367. The reversal of 20441344279 is 97244314402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20441344279 - 2³ = 20441344271 is a prime.

It is a super-3 number, since 3×20441344279³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20441344271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10220672139 + 10220672140.

It is an arithmetic number, because the mean of its divisors is an integer number (10220672140).

Almost surely, 2^20441344279 is an apocalyptic number.

20441344279 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441344279 is an equidigital number, since it uses as much as digits as its factorization.

20441344279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 20441344279 in words is "twenty billion, four hundred forty-one million, three hundred forty-four thousand, two hundred seventy-nine".