20247547033201 has 4 divisors (see below), whose sum is σ = 20261482029172. Its totient is φ = 20233612037232.

The previous prime is 20247547033163. The next prime is 20247547033213. The reversal of 20247547033201 is 10233074574202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15432923682576 + 4814623350625 = 3928476^2 + 2194225^2 .

It is a cyclic number.

It is not a de Polignac number, because 20247547033201 - 2⁷ = 20247547033073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20247547036201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6967495806 + ... + 6967498711.

It is an arithmetic number, because the mean of its divisors is an integer number (5065370507293).

Almost surely, 2^{20247547033201} is an apocalyptic number.

It is an amenable number.

20247547033201 is a deficient number, since it is larger than the sum of its proper divisors (13934995971).

20247547033201 is a wasteful number, since it uses less digits than its factorization.

20247547033201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13934995970.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 20247547033201 in words is "twenty trillion, two hundred forty-seven billion, five hundred forty-seven million, thirty-three thousand, two hundred one".