206043242 has 8 divisors (see below), whose sum is σ = 309396132. Its totient is φ = 102911200.

The previous prime is 206043217. The next prime is 206043259. The reversal of 206043242 is 242340602.

It can be written as a sum of positive squares in 2 ways, for example, as 202236841 + 3806401 = 14221^2 + 1951^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52859 + ... + 56622.

Almost surely, 2^206043242 is an apocalyptic number.

206043242 is a deficient number, since it is larger than the sum of its proper divisors (103352890).

206043242 is a wasteful number, since it uses less digits than its factorization.

206043242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110424.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 206043242 is about 14354.2064218124. The cubic root of 206043242 is about 590.6353798536.

Adding to 206043242 its reverse (242340602), we get a palindrome (448383844).

The spelling of 206043242 in words is "two hundred six million, forty-three thousand, two hundred forty-two".