20444200222 has 32 divisors (see below), whose sum is σ = 32819143680. Its totient is φ = 9523150560.

The previous prime is 20444200193. The next prime is 20444200253. The reversal of 20444200222 is 22200244402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20444200193 and 20444200202.

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 15 ways as a sum of consecutive naturals, for example, 1061563 + ... + 1080649.

It is an arithmetic number, because the mean of its divisors is an integer number (1025598240).

Almost surely, 2^20444200222 is an apocalyptic number.

20444200222 is a deficient number, since it is larger than the sum of its proper divisors (12374943458).

20444200222 is a wasteful number, since it uses less digits than its factorization.

20444200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19576.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20444200222 its reverse (22200244402), we get a palindrome (42644444624).

The spelling of 20444200222 in words is "twenty billion, four hundred forty-four million, two hundred thousand, two hundred twenty-two".