206243035 has 8 divisors (see below), whose sum is σ = 249805296. Its totient is φ = 163452000.

The previous prime is 206243033. The next prime is 206243101. The reversal of 206243035 is 530342602.

It is a happy number.

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

It is not a de Polignac number, because 206243035 - 2¹ = 206243033 is a prime.

It is a super-2 number, since 2×206243035² = 85072378972022450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206243033) 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 7 ways as a sum of consecutive naturals, for example, 192216 + ... + 193285.

It is an arithmetic number, because the mean of its divisors is an integer number (31225662).

Almost surely, 2^206243035 is an apocalyptic number.

206243035 is a deficient number, since it is larger than the sum of its proper divisors (43562261).

206243035 is a wasteful number, since it uses less digits than its factorization.

206243035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385613.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 206243035 is about 14361.1641241231. The cubic root of 206243035 is about 590.8262244098.

Adding to 206243035 its reverse (530342602), we get a palindrome (736585637).

The spelling of 206243035 in words is "two hundred six million, two hundred forty-three thousand, thirty-five".