206831050 has 24 divisors (see below), whose sum is σ = 386421696. Its totient is φ = 82363440.

The previous prime is 206831033. The next prime is 206831081. The reversal of 206831050 is 50138602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2239 + ... + 20461.

It is an arithmetic number, because the mean of its divisors is an integer number (16100904).

Almost surely, 2^206831050 is an apocalyptic number.

206831050 is a deficient number, since it is larger than the sum of its proper divisors (179590646).

206831050 is a wasteful number, since it uses less digits than its factorization.

206831050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18462 (or 18457 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 206831050 is about 14381.6219530344. The cubic root of 206831050 is about 591.3871888654.

Adding to 206831050 its reverse (50138602), we get a palindrome (256969652).

The spelling of 206831050 in words is "two hundred six million, eight hundred thirty-one thousand, fifty".