200112220 has 72 divisors (see below), whose sum is σ = 527944032. Its totient is φ = 62367360.

The previous prime is 200112203. The next prime is 200112251. The reversal of 200112220 is 22211002.

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 = 200112197 and 200112206.

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 23 ways as a sum of consecutive naturals, for example, 11034 + ... + 22846.

It is an arithmetic number, because the mean of its divisors is an integer number (7332556).

Almost surely, 2^200112220 is an apocalyptic number.

200112220 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 200112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263972016).

200112220 is an abundant number, since it is smaller than the sum of its proper divisors (327831812).

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

200112220 is a wasteful number, since it uses less digits than its factorization.

200112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11851 (or 11838 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 200112220 is about 14146.1026434845. The cubic root of 200112220 is about 584.9129049485.

Adding to 200112220 its reverse (22211002), we get a palindrome (222323222).

The spelling of 200112220 in words is "two hundred million, one hundred twelve thousand, two hundred twenty".