206802122 has 8 divisors (see below), whose sum is σ = 310330596. Its totient is φ = 103358592.

The previous prime is 206802121. The next prime is 206802143. The reversal of 206802122 is 221208602.

It can be written as a sum of positive squares in 2 ways, for example, as 202521361 + 4280761 = 14231^2 + 2069^2 .

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

It is not an unprimeable number, because it can be changed into a prime (206802121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14753 + ... + 25124.

Almost surely, 2^206802122 is an apocalyptic number.

206802122 is a deficient number, since it is larger than the sum of its proper divisors (103528474).

206802122 is a wasteful number, since it uses less digits than its factorization.

206802122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42472.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 206802122 is about 14380.6161898578. The cubic root of 206802122 is about 591.3596165284.

The spelling of 206802122 in words is "two hundred six million, eight hundred two thousand, one hundred twenty-two".