20013244319 has 2 divisors, whose sum is σ = 20013244320. Its totient is φ = 20013244318.

The previous prime is 20013244301. The next prime is 20013244397. The reversal of 20013244319 is 91344231002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20013244319 - 2¹² = 20013240223 is a prime.

It is a super-2 number, since 2×20013244319² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20013244291 and 20013244300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20013244519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006622159 + 10006622160.

It is an arithmetic number, because the mean of its divisors is an integer number (10006622160).

Almost surely, 2^20013244319 is an apocalyptic number.

20013244319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013244319 is an equidigital number, since it uses as much as digits as its factorization.

20013244319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

It can be divided in two parts, 20013244 and 319, that multiplied together give a palindrome (6384224836).

The spelling of 20013244319 in words is "twenty billion, thirteen million, two hundred forty-four thousand, three hundred nineteen".