20244000013 has 2 divisors, whose sum is σ = 20244000014. Its totient is φ = 20244000012.

The previous prime is 20243999989. The next prime is 20244000017. The reversal of 20244000013 is 31000044202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14269019209 + 5974980804 = 119453^2 + 77298^2 .

It is a cyclic number.

It is not a de Polignac number, because 20244000013 - 2²⁵ = 20210445581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20244000017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122000006 + 10122000007.

It is an arithmetic number, because the mean of its divisors is an integer number (10122000007).

Almost surely, 2^20244000013 is an apocalyptic number.

It is an amenable number.

20244000013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244000013 is an equidigital number, since it uses as much as digits as its factorization.

20244000013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20244000013 its reverse (31000044202), we get a palindrome (51244044215).

The spelling of 20244000013 in words is "twenty billion, two hundred forty-four million, thirteen", and thus it is an aban number.