220200012 has 72 divisors (see below), whose sum is σ = 587447280. Its totient is φ = 71288640.

The previous prime is 220200011. The next prime is 220200059. The reversal of 220200012 is 210002022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 220199967 and 220200003.

It is not an unprimeable number, because it can be changed into a prime (220200011) by changing a digit.

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, 987333 + ... + 987555.

It is an arithmetic number, because the mean of its divisors is an integer number (8158990).

Almost surely, 2^220200012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220200012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293723640).

220200012 is an abundant number, since it is smaller than the sum of its proper divisors (367247268).

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

220200012 is a wasteful number, since it uses less digits than its factorization.

220200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 269 counting only the distinct ones).

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

The square root of 220200012 is about 14839.1378455758. The cubic root of 220200012 is about 603.8639629014.

Adding to 220200012 its reverse (210002022), we get a palindrome (430202034).

The spelling of 220200012 in words is "two hundred twenty million, two hundred thousand, twelve".