20144004037 has 2 divisors, whose sum is σ = 20144004038. Its totient is φ = 20144004036.

The previous prime is 20144004019. The next prime is 20144004071. The reversal of 20144004037 is 73040044102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12771034081 + 7372969956 = 113009^2 + 85866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20144004037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20144004077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072002018 + 10072002019.

It is an arithmetic number, because the mean of its divisors is an integer number (10072002019).

Almost surely, 2^20144004037 is an apocalyptic number.

It is an amenable number.

20144004037 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144004037 is an equidigital number, since it uses as much as digits as its factorization.

20144004037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 20144004037 its reverse (73040044102), we get a palindrome (93184048139).

The spelling of 20144004037 in words is "twenty billion, one hundred forty-four million, four thousand, thirty-seven".