20422244224 has 32 divisors (see below), whose sum is σ = 40745564640. Its totient is φ = 10195906560.

The previous prime is 20422244209. The next prime is 20422244231. The reversal of 20422244224 is 42244222402.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 20422244192 and 20422244201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32392 + ... + 204679.

It is an arithmetic number, because the mean of its divisors is an integer number (1273298895).

Almost surely, 2^20422244224 is an apocalyptic number.

It is an amenable number.

20422244224 is a deficient number, since it is larger than the sum of its proper divisors (20323320416).

20422244224 is an equidigital number, since it uses as much as digits as its factorization.

20422244224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237758 (or 237746 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20422244224 its reverse (42244222402), we get a palindrome (62666466626).

The spelling of 20422244224 in words is "twenty billion, four hundred twenty-two million, two hundred forty-four thousand, two hundred twenty-four".