206413203 has 16 divisors (see below), whose sum is σ = 280267776. Its totient is φ = 135092640.

The previous prime is 206413189. The next prime is 206413241. The reversal of 206413203 is 302314602.

It is a happy number.

It is not a de Polignac number, because 206413203 - 2⁶ = 206413139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206413203.

It is not an unprimeable number, because it can be changed into a prime (206415203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157276 + ... + 158582.

It is an arithmetic number, because the mean of its divisors is an integer number (17516736).

Almost surely, 2^206413203 is an apocalyptic number.

206413203 is a deficient number, since it is larger than the sum of its proper divisors (73854573).

206413203 is a wasteful number, since it uses less digits than its factorization.

206413203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 206413203 is about 14367.0874919032. The cubic root of 206413203 is about 590.9886736587.

Adding to 206413203 its reverse (302314602), we get a palindrome (508727805).

The spelling of 206413203 in words is "two hundred six million, four hundred thirteen thousand, two hundred three".