200100220 has 12 divisors (see below), whose sum is σ = 420210504. Its totient is φ = 80040080.

The previous prime is 200100209. The next prime is 200100247. The reversal of 200100220 is 22001002.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5002486 + ... + 5002525.

It is an arithmetic number, because the mean of its divisors is an integer number (35017542).

Almost surely, 2^200100220 is an apocalyptic number.

200100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200100220 is an abundant number, since it is smaller than the sum of its proper divisors (220110284).

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

200100220 is a wasteful number, since it uses less digits than its factorization.

200100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005020 (or 10005018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 200100220 is about 14145.6784920342. The cubic root of 200100220 is about 584.9012130169.

Adding to 200100220 its reverse (22001002), we get a palindrome (222101222).

The spelling of 200100220 in words is "two hundred million, one hundred thousand, two hundred twenty".