20224444244 has 12 divisors (see below), whose sum is σ = 35393969268. Its totient is φ = 10111881600.

The previous prime is 20224444243. The next prime is 20224444277. The reversal of 20224444244 is 44244442202.

It can be written as a sum of positive squares in 2 ways, for example, as 9410940100 + 10813504144 = 97010^2 + 103988^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20224444244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224444243) 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 3 ways as a sum of consecutive naturals, for example, 87314 + ... + 219254.

It is an arithmetic number, because the mean of its divisors is an integer number (2949497439).

Almost surely, 2^20224444244 is an apocalyptic number.

It is an amenable number.

20224444244 is a deficient number, since it is larger than the sum of its proper divisors (15169525024).

20224444244 is a wasteful number, since it uses less digits than its factorization.

20224444244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170266 (or 170264 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 20224444244 its reverse (44244442202), we get a palindrome (64468886446).

The spelling of 20224444244 in words is "twenty billion, two hundred twenty-four million, four hundred forty-four thousand, two hundred forty-four".