206000220 has 48 divisors (see below), whose sum is σ = 610733088. Its totient is φ = 51701760.

The previous prime is 206000219. The next prime is 206000279. The reversal of 206000220 is 22000602.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 206000196 and 206000205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99961 + ... + 102000.

It is an arithmetic number, because the mean of its divisors is an integer number (12723606).

Almost surely, 2^206000220 is an apocalyptic number.

206000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206000220 is an abundant number, since it is smaller than the sum of its proper divisors (404732868).

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

206000220 is a wasteful number, since it uses less digits than its factorization.

206000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201990 (or 201988 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 206000220 is about 14352.7077584684. The cubic root of 206000220 is about 590.5942686062.

Adding to 206000220 its reverse (22000602), we get a palindrome (228000822).

The spelling of 206000220 in words is "two hundred six million, two hundred twenty", and thus it is an aban number.