206215050 has 48 divisors (see below), whose sum is σ = 521082720. Its totient is φ = 53951040.

The previous prime is 206215021. The next prime is 206215067. The reversal of 206215050 is 50512602.

It is a Curzon 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 in 23 ways as a sum of consecutive naturals, for example, 5020 + ... + 20919.

It is an arithmetic number, because the mean of its divisors is an integer number (10855890).

Almost surely, 2^206215050 is an apocalyptic number.

206215050 is an abundant number, since it is smaller than the sum of its proper divisors (314867670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206215050 is a wasteful number, since it uses less digits than its factorization.

206215050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26007 (or 26002 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 206215050 is about 14360.1897619774. The cubic root of 206215050 is about 590.7995002431.

Adding to 206215050 its reverse (50512602), we get a palindrome (256727652).

The spelling of 206215050 in words is "two hundred six million, two hundred fifteen thousand, fifty".