20144112013 has 2 divisors, whose sum is σ = 20144112014. Its totient is φ = 20144112012.

The previous prime is 20144111963. The next prime is 20144112017. The reversal of 20144112013 is 31021144102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17656297129 + 2487814884 = 132877^2 + 49878^2 .

It is a cyclic number.

It is not a de Polignac number, because 20144112013 - 2³³ = 11554177421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20144112017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072056006 + 10072056007.

It is an arithmetic number, because the mean of its divisors is an integer number (10072056007).

Almost surely, 2^20144112013 is an apocalyptic number.

It is an amenable number.

20144112013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144112013 is an equidigital number, since it uses as much as digits as its factorization.

20144112013 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 19.

Adding to 20144112013 its reverse (31021144102), we get a palindrome (51165256115).

The spelling of 20144112013 in words is "twenty billion, one hundred forty-four million, one hundred twelve thousand, thirteen".