206088017 has 8 divisors (see below), whose sum is σ = 212000712. Its totient is φ = 200217600.

The previous prime is 206088013. The next prime is 206088019. The reversal of 206088017 is 710880602.

It can be written as a sum of positive squares in 4 ways, for example, as 58003456 + 148084561 = 7616^2 + 12169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206088017 - 2² = 206088013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206088013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548 + ... + 20309.

It is an arithmetic number, because the mean of its divisors is an integer number (26500089).

Almost surely, 2^206088017 is an apocalyptic number.

It is an amenable number.

206088017 is a deficient number, since it is larger than the sum of its proper divisors (5912695).

206088017 is a wasteful number, since it uses less digits than its factorization.

206088017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21139.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 206088017 is about 14355.7659844398. The cubic root of 206088017 is about 590.6781601675.

The spelling of 206088017 in words is "two hundred six million, eighty-eight thousand, seventeen".