200221220 has 48 divisors (see below), whose sum is σ = 442411200. Its totient is φ = 76003200.

The previous prime is 200221199. The next prime is 200221237. The reversal of 200221220 is 22122002.

200221220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 31295 + ... + 37145.

It is an arithmetic number, because the mean of its divisors is an integer number (9216900).

Almost surely, 2^200221220 is an apocalyptic number.

200221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200221220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221205600).

200221220 is an abundant number, since it is smaller than the sum of its proper divisors (242189980).

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

200221220 is a wasteful number, since it uses less digits than its factorization.

200221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5948 (or 5946 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 200221220 is about 14149.9547702457. The cubic root of 200221220 is about 585.0190852614.

Adding to 200221220 its reverse (22122002), we get a palindrome (222343222).

The spelling of 200221220 in words is "two hundred million, two hundred twenty-one thousand, two hundred twenty".