200022021444 has 96 divisors (see below), whose sum is σ = 558101569536. Its totient is φ = 54515260800.

The previous prime is 200022021343. The next prime is 200022021457. The reversal of 200022021444 is 444120220002.

200022021444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 200022021444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567994 + ... + 850094.

It is an arithmetic number, because the mean of its divisors is an integer number (5813558016).

Almost surely, 2^200022021444 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 200022021444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279050784768).

200022021444 is an abundant number, since it is smaller than the sum of its proper divisors (358079548092).

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

200022021444 is a wasteful number, since it uses less digits than its factorization.

200022021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282505 (or 282503 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 200022021444 its reverse (444120220002), we get a palindrome (644142241446).

The spelling of 200022021444 in words is "two hundred billion, twenty-two million, twenty-one thousand, four hundred forty-four".