220002000912 has 160 divisors (see below), whose sum is σ = 637501558400. Its totient is φ = 72638042112.

The previous prime is 220002000859. The next prime is 220002000913. The reversal of 220002000912 is 219000200022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (220002000913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27437928 + ... + 27445944.

It is an arithmetic number, because the mean of its divisors is an integer number (3984384740).

Almost surely, 2^220002000912 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 220002000912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318750779200).

220002000912 is an abundant number, since it is smaller than the sum of its proper divisors (417499557488).

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

220002000912 is a wasteful number, since it uses less digits than its factorization.

220002000912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8630 (or 8618 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 220002000912 its reverse (219000200022), we get a palindrome (439002200934).

The spelling of 220002000912 in words is "two hundred twenty billion, two million, nine hundred twelve", and thus it is an aban number.