20223320444 has 6 divisors (see below), whose sum is σ = 35390810784. Its totient is φ = 10111660220.

The previous prime is 20223320441. The next prime is 20223320459. The reversal of 20223320444 is 44402332202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223320441) 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, 2527915052 + ... + 2527915059.

It is an arithmetic number, because the mean of its divisors is an integer number (5898468464).

Almost surely, 2^20223320444 is an apocalyptic number.

It is an amenable number.

20223320444 is a deficient number, since it is larger than the sum of its proper divisors (15167490340).

20223320444 is a wasteful number, since it uses less digits than its factorization.

20223320444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055830115 (or 5055830113 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20223320444 its reverse (44402332202), we get a palindrome (64625652646).

The spelling of 20223320444 in words is "twenty billion, two hundred twenty-three million, three hundred twenty thousand, four hundred forty-four".