10205266 has 8 divisors (see below), whose sum is σ = 15721740. Its totient is φ = 4964688.

The previous prime is 10205257. The next prime is 10205291. The reversal of 10205266 is 66250201.

10205266 is digitally balanced in base 2, 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 10106041 + 99225 = 3179^2 + 315^2 .

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, 68881 + ... + 69028.

Almost surely, 2^10205266 is an apocalyptic number.

10205266 is a deficient number, since it is larger than the sum of its proper divisors (5516474).

10205266 is a wasteful number, since it uses less digits than its factorization.

10205266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137948.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 10205266 is about 3194.5682024336. The cubic root of 10205266 is about 216.9076036381.

Adding to 10205266 its reverse (66250201), we get a palindrome (76455467).

The spelling of 10205266 in words is "ten million, two hundred five thousand, two hundred sixty-six".