20475472730013 has 24 divisors (see below), whose sum is σ = 34891128137216. Its totient is φ = 11322842061600.

The previous prime is 20475472729991. The next prime is 20475472730033. The reversal of 20475472730013 is 31003727457402.

20475472730013 is a `hidden beast` number, since 2 + 0 + 47 + 547 + 27 + 30 + 0 + 13 = 666.

It is not a de Polignac number, because 20475472730013 - 2⁸ = 20475472729757 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 (20475472730033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5242054558 + ... + 5242058463.

Almost surely, 2^{20475472730013} is an apocalyptic number.

It is an amenable number.

20475472730013 is a deficient number, since it is larger than the sum of its proper divisors (14415655407203).

20475472730013 is a wasteful number, since it uses less digits than its factorization.

20475472730013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10484113065 (or 10484113062 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 45.

The spelling of 20475472730013 in words is "twenty trillion, four hundred seventy-five billion, four hundred seventy-two million, seven hundred thirty thousand, thirteen".