206080745 has 16 divisors (see below), whose sum is σ = 280338240. Its totient is φ = 144172224.

The previous prime is 206080739. The next prime is 206080747. The reversal of 206080745 is 547080602.

It is a cyclic number.

It is not a de Polignac number, because 206080745 - 2¹⁰ = 206079721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206080747) 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, 82199 + ... + 84668.

It is an arithmetic number, because the mean of its divisors is an integer number (17521140).

Almost surely, 2^206080745 is an apocalyptic number.

It is an amenable number.

206080745 is a deficient number, since it is larger than the sum of its proper divisors (74257495).

206080745 is a wasteful number, since it uses less digits than its factorization.

206080745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166904.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 206080745 is about 14355.5127041844. The cubic root of 206080745 is about 590.6712125501.

The spelling of 206080745 in words is "two hundred six million, eighty thousand, seven hundred forty-five".