210200220 has 72 divisors (see below), whose sum is σ = 665342496. Its totient is φ = 53615232.

The previous prime is 210200213. The next prime is 210200267. The reversal of 210200220 is 22002012.

210200220 is digitally balanced in base 2, 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 (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21247 + ... + 29526.

It is an arithmetic number, because the mean of its divisors is an integer number (9240868).

Almost surely, 2^210200220 is an apocalyptic number.

210200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210200220 is an abundant number, since it is smaller than the sum of its proper divisors (455142276).

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

210200220 is a wasteful number, since it uses less digits than its factorization.

210200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50811 (or 50806 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 210200220 is about 14498.2833466587. The cubic root of 210200220 is about 594.5810387733.

Adding to 210200220 its reverse (22002012), we get a palindrome (232202232).

The spelling of 210200220 in words is "two hundred ten million, two hundred thousand, two hundred twenty".