206203061 has 4 divisors (see below), whose sum is σ = 206346624. Its totient is φ = 206059500.

The previous prime is 206203009. The next prime is 206203091. The reversal of 206203061 is 160302602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 206203061 - 2²² = 202008757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206203001) 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 3 ways as a sum of consecutive naturals, for example, 69605 + ... + 72506.

It is an arithmetic number, because the mean of its divisors is an integer number (51586656).

Almost surely, 2^206203061 is an apocalyptic number.

It is an amenable number.

206203061 is a deficient number, since it is larger than the sum of its proper divisors (143563).

206203061 is a wasteful number, since it uses less digits than its factorization.

206203061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143562.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 206203061 is about 14359.7723171365. The cubic root of 206203061 is about 590.7880506544.

Adding to 206203061 its reverse (160302602), we get a palindrome (366505663).

The spelling of 206203061 in words is "two hundred six million, two hundred three thousand, sixty-one".