200220220 has 96 divisors (see below), whose sum is σ = 466373376. Its totient is φ = 71884800.

The previous prime is 200220191. The next prime is 200220277. The reversal of 200220220 is 22022002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 200220197 and 200220206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 738685 + ... + 738955.

It is an arithmetic number, because the mean of its divisors is an integer number (4858056).

Almost surely, 2^200220220 is an apocalyptic number.

200220220 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 200220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233186688).

200220220 is an abundant number, since it is smaller than the sum of its proper divisors (266153156).

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

200220220 is a wasteful number, since it uses less digits than its factorization.

200220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 200220220 is about 14149.9194343996. The cubic root of 200220220 is about 585.0181113053.

Adding to 200220220 its reverse (22022002), we get a palindrome (222242222).

It can be divided in two parts, 2002 and 20220, that added together give a palindrome (22222).

The spelling of 200220220 in words is "two hundred million, two hundred twenty thousand, two hundred twenty".