20013055636105 has 16 divisors (see below), whose sum is σ = 27470786785920. Its totient is φ = 13711082908032.

The previous prime is 20013055636103. The next prime is 20013055636139. The reversal of 20013055636105 is 50163655031002.

It is a cyclic number.

It is not a de Polignac number, because 20013055636105 - 2¹ = 20013055636103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20013055636103) 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, 253194139 + ... + 253273168.

It is an arithmetic number, because the mean of its divisors is an integer number (1716924174120).

Almost surely, 2^{20013055636105} is an apocalyptic number.

It is an amenable number.

20013055636105 is a deficient number, since it is larger than the sum of its proper divisors (7457731149815).

20013055636105 is a wasteful number, since it uses less digits than its factorization.

20013055636105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506468448.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 20013055636105 in words is "twenty trillion, thirteen billion, fifty-five million, six hundred thirty-six thousand, one hundred five".