206130844 has 6 divisors (see below), whose sum is σ = 360728984. Its totient is φ = 103065420.

The previous prime is 206130809. The next prime is 206130877. The reversal of 206130844 is 448031602.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25766352 + ... + 25766359.

Almost surely, 2^206130844 is an apocalyptic number.

It is an amenable number.

206130844 is a deficient number, since it is larger than the sum of its proper divisors (154598140).

206130844 is a wasteful number, since it uses less digits than its factorization.

206130844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51532715 (or 51532713 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 206130844 is about 14357.2575375661. The cubic root of 206130844 is about 590.7190734657.

The spelling of 206130844 in words is "two hundred six million, one hundred thirty thousand, eight hundred forty-four".