20320422244 has 6 divisors (see below), whose sum is σ = 35560738934. Its totient is φ = 10160211120.

The previous prime is 20320422203. The next prime is 20320422251. The reversal of 20320422244 is 44222402302.

It can be written as a sum of positive squares in only one way, i.e., 16043262244 + 4277160000 = 126662^2 + 65400^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540052777 + ... + 2540052784.

Almost surely, 2^20320422244 is an apocalyptic number.

It is an amenable number.

20320422244 is a deficient number, since it is larger than the sum of its proper divisors (15240316690).

20320422244 is a wasteful number, since it uses less digits than its factorization.

20320422244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080105565 (or 5080105563 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 20320422244 its reverse (44222402302), we get a palindrome (64542824546).

The spelling of 20320422244 in words is "twenty billion, three hundred twenty million, four hundred twenty-two thousand, two hundred forty-four".