206706260 has 12 divisors (see below), whose sum is σ = 434083188. Its totient is φ = 82682496.

The previous prime is 206706257. The next prime is 206706299. The reversal of 206706260 is 62607602.

It can be written as a sum of positive squares in 2 ways, for example, as 63808144 + 142898116 = 7988^2 + 11954^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5167637 + ... + 5167676.

It is an arithmetic number, because the mean of its divisors is an integer number (36173599).

Almost surely, 2^206706260 is an apocalyptic number.

206706260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206706260 is an abundant number, since it is smaller than the sum of its proper divisors (227376928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206706260 is a wasteful number, since it uses less digits than its factorization.

206706260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10335322 (or 10335320 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 206706260 is about 14377.2827752674. The cubic root of 206706260 is about 591.2682285604.

The spelling of 206706260 in words is "two hundred six million, seven hundred six thousand, two hundred sixty".