206056650 has 48 divisors (see below), whose sum is σ = 516020544. Its totient is φ = 54410880.

The previous prime is 206056649. The next prime is 206056661. The reversal of 206056650 is 56650602.

206056650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8782 + ... + 22118.

It is an arithmetic number, because the mean of its divisors is an integer number (10750428).

Almost surely, 2^206056650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206056650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258010272).

206056650 is an abundant number, since it is smaller than the sum of its proper divisors (309963894).

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

206056650 is a wasteful number, since it uses less digits than its factorization.

206056650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13455 (or 13450 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 206056650 is about 14354.6734550111. The cubic root of 206056650 is about 590.6481911893.

The spelling of 206056650 in words is "two hundred six million, fifty-six thousand, six hundred fifty".