206808042 has 32 divisors (see below), whose sum is σ = 493258752. Its totient is φ = 56518704.

The previous prime is 206808013. The next prime is 206808061. The reversal of 206808042 is 240808602.

It is a happy number.

206808042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106078 + ... + 108009.

It is an arithmetic number, because the mean of its divisors is an integer number (15414336).

Almost surely, 2^206808042 is an apocalyptic number.

206808042 is an abundant number, since it is smaller than the sum of its proper divisors (286450710).

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

206808042 is a wasteful number, since it uses less digits than its factorization.

206808042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214122.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 206808042 is about 14380.8220210112. The cubic root of 206808042 is about 591.3652593066.

The spelling of 206808042 in words is "two hundred six million, eight hundred eight thousand, forty-two".