206043201 has 48 divisors (see below), whose sum is σ = 385607040. Its totient is φ = 102954240.

The previous prime is 206043169. The next prime is 206043203. The reversal of 206043201 is 102340602.

It is a happy number.

It is not a de Polignac number, because 206043201 - 2⁵ = 206043169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206043203) 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 47 ways as a sum of consecutive naturals, for example, 8941 + ... + 22181.

It is an arithmetic number, because the mean of its divisors is an integer number (8033480).

Almost surely, 2^206043201 is an apocalyptic number.

206043201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

206043201 is a deficient number, since it is larger than the sum of its proper divisors (179563839).

206043201 is a wasteful number, since it uses less digits than its factorization.

206043201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13286 (or 13283 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 206043201 is about 14354.2049936595. The cubic root of 206043201 is about 590.6353406773.

Adding to 206043201 its reverse (102340602), we get a palindrome (308383803).

The spelling of 206043201 in words is "two hundred six million, forty-three thousand, two hundred one".