206201290 has 8 divisors (see below), whose sum is σ = 371162340. Its totient is φ = 82480512.

The previous prime is 206201273. The next prime is 206201311. The reversal of 206201290 is 92102602.

It is a happy number.

206201290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 206123449 + 77841 = 14357^2 + 279^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10310055 + ... + 10310074.

Almost surely, 2^206201290 is an apocalyptic number.

206201290 is a deficient number, since it is larger than the sum of its proper divisors (164961050).

206201290 is a wasteful number, since it uses less digits than its factorization.

206201290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20620136.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 206201290 is about 14359.7106516810. The cubic root of 206201290 is about 590.7863592980.

Adding to 206201290 its reverse (92102602), we get a palindrome (298303892).

The spelling of 206201290 in words is "two hundred six million, two hundred one thousand, two hundred ninety".