206820296 has 16 divisors (see below), whose sum is σ = 391787340. Its totient is φ = 102343680.

The previous prime is 206820293. The next prime is 206820331. The reversal of 206820296 is 692028602.

206820296 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 189062500 + 17757796 = 13750^2 + 4214^2 .

It is not an unprimeable number, because it can be changed into a prime (206820293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132485 + ... + 134036.

Almost surely, 2^206820296 is an apocalyptic number.

It is an amenable number.

206820296 is a deficient number, since it is larger than the sum of its proper divisors (184967044).

206820296 is a wasteful number, since it uses less digits than its factorization.

206820296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266624 (or 266620 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 206820296 is about 14381.2480682311. The cubic root of 206820296 is about 591.3769391341.

Adding to 206820296 its reverse (692028602), we get a palindrome (898848898).

The spelling of 206820296 in words is "two hundred six million, eight hundred twenty thousand, two hundred ninety-six".