20022440444 has 6 divisors (see below), whose sum is σ = 35039270784. Its totient is φ = 10011220220.

The previous prime is 20022440441. The next prime is 20022440453. The reversal of 20022440444 is 44404422002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022440441) by changing a digit.

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 as a sum of consecutive naturals, namely, 2502805052 + ... + 2502805059.

It is an arithmetic number, because the mean of its divisors is an integer number (5839878464).

Almost surely, 2^20022440444 is an apocalyptic number.

It is an amenable number.

20022440444 is a deficient number, since it is larger than the sum of its proper divisors (15016830340).

20022440444 is a wasteful number, since it uses less digits than its factorization.

20022440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005610115 (or 5005610113 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20022440444 its reverse (44404422002), we get a palindrome (64426862446).

The spelling of 20022440444 in words is "twenty billion, twenty-two million, four hundred forty thousand, four hundred forty-four".