20560772444 has 24 divisors (see below), whose sum is σ = 38756917248. Its totient is φ = 9516204720.

The previous prime is 20560772429. The next prime is 20560772501. The reversal of 20560772444 is 44427706502.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 3601772 + ... + 3607475.

It is an arithmetic number, because the mean of its divisors is an integer number (1614871552).

Almost surely, 2^20560772444 is an apocalyptic number.

It is an amenable number.

20560772444 is a deficient number, since it is larger than the sum of its proper divisors (18196144804).

20560772444 is a wasteful number, since it uses less digits than its factorization.

20560772444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7209305 (or 7209303 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 41.

The spelling of 20560772444 in words is "twenty billion, five hundred sixty million, seven hundred seventy-two thousand, four hundred forty-four".