20005102004053 has 16 divisors (see below), whose sum is σ = 20163064987440. Its totient is φ = 19847800422400.

The previous prime is 20005102004039. The next prime is 20005102004059. The reversal of 20005102004053 is 35040020150002.

It can be written as a sum of positive squares in 8 ways, for example, as 576030907089 + 19429071096964 = 758967^2 + 4407842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20005102004053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005102004059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268267893 + ... + 268342453.

It is an arithmetic number, because the mean of its divisors is an integer number (1260191561715).

Almost surely, 2^{20005102004053} is an apocalyptic number.

It is an amenable number.

20005102004053 is a deficient number, since it is larger than the sum of its proper divisors (157962983387).

20005102004053 is a wasteful number, since it uses less digits than its factorization.

20005102004053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78968.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 20005102004053 its reverse (35040020150002), we get a palindrome (55045122154055).

The spelling of 20005102004053 in words is "twenty trillion, five billion, one hundred two million, four thousand, fifty-three".