20022022444 has 12 divisors (see below), whose sum is σ = 35039774224. Its totient is φ = 10010658384.

The previous prime is 20022022439. The next prime is 20022022487. The reversal of 20022022444 is 44422022002.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 71662 + ... + 212554.

Almost surely, 2^20022022444 is an apocalyptic number.

It is an amenable number.

20022022444 is a deficient number, since it is larger than the sum of its proper divisors (15017751780).

20022022444 is a wasteful number, since it uses less digits than its factorization.

20022022444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176424 (or 176422 counting only the distinct ones).

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

Adding to 20022022444 its reverse (44422022002), we get a palindrome (64444044446).

The spelling of 20022022444 in words is "twenty billion, twenty-two million, twenty-two thousand, four hundred forty-four".