20010113005 has 16 divisors (see below), whose sum is σ = 24678416304. Its totient is φ = 15564510720.

The previous prime is 20010112961. The next prime is 20010113023. The reversal of 20010113005 is 50031101002.

It can be written as a sum of positive squares in 8 ways, for example, as 1099187716 + 18910925289 = 33154^2 + 137517^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20010113005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231585 + ... + 306025.

It is an arithmetic number, because the mean of its divisors is an integer number (1542401019).

Almost surely, 2^20010113005 is an apocalyptic number.

It is an amenable number.

20010113005 is a deficient number, since it is larger than the sum of its proper divisors (4668303299).

20010113005 is a wasteful number, since it uses less digits than its factorization.

20010113005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75936.

The product of its (nonzero) digits is 30, while the sum is 13.

Adding to 20010113005 its reverse (50031101002), we get a palindrome (70041214007).

The spelling of 20010113005 in words is "twenty billion, ten million, one hundred thirteen thousand, five".