205041266 has 4 divisors (see below), whose sum is σ = 307561902. Its totient is φ = 102520632.

The previous prime is 205041229. The next prime is 205041269. The reversal of 205041266 is 662140502.

205041266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 662140502 = 2 ⋅331070251.

It can be written as a sum of positive squares in only one way, i.e., 195300625 + 9740641 = 13975^2 + 3121^2 .

It is not an unprimeable number, because it can be changed into a prime (205041269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51260315 + ... + 51260318.

Almost surely, 2^205041266 is an apocalyptic number.

205041266 is a deficient number, since it is larger than the sum of its proper divisors (102520636).

205041266 is a wasteful number, since it uses less digits than its factorization.

205041266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102520635.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 205041266 is about 14319.2620619919. The cubic root of 205041266 is about 589.6764154961.

Adding to 205041266 its reverse (662140502), we get a palindrome (867181768).

The spelling of 205041266 in words is "two hundred five million, forty-one thousand, two hundred sixty-six".