206032220 has 24 divisors (see below), whose sum is σ = 433338864. Its totient is φ = 82285056.

The previous prime is 206032201. The next prime is 206032247. The reversal of 206032220 is 22230602.

206032220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5807 + ... + 21113.

It is an arithmetic number, because the mean of its divisors is an integer number (18055786).

Almost surely, 2^206032220 is an apocalyptic number.

206032220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206032220 is an abundant number, since it is smaller than the sum of its proper divisors (227306644).

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

206032220 is a wasteful number, since it uses less digits than its factorization.

206032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15989 (or 15987 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 206032220 is about 14353.8224874073. The cubic root of 206032220 is about 590.6248479232.

Adding to 206032220 its reverse (22230602), we get a palindrome (228262822).

The spelling of 206032220 in words is "two hundred six million, thirty-two thousand, two hundred twenty".