200020220 has 48 divisors (see below), whose sum is σ = 449450400. Its totient is φ = 74545920.

The previous prime is 200020211. The next prime is 200020229. The reversal of 200020220 is 22020002.

It is an interprime number because it is at equal distance from previous prime (200020211) and next prime (200020229).

It is a junction number, because it is equal to n+sod(n) for n = 200020198 and 200020207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18866 + ... + 27494.

It is an arithmetic number, because the mean of its divisors is an integer number (9363550).

Almost surely, 2^200020220 is an apocalyptic number.

200020220 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 200020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224725200).

200020220 is an abundant number, since it is smaller than the sum of its proper divisors (249430180).

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

200020220 is a wasteful number, since it uses less digits than its factorization.

200020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8718 (or 8716 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 200020220 is about 14142.8504906189. The cubic root of 200020220 is about 584.8232548580.

Adding to 200020220 its reverse (22020002), we get a palindrome (222040222).

The spelling of 200020220 in words is "two hundred million, twenty thousand, two hundred twenty".