20440044712 has 16 divisors (see below), whose sum is σ = 39646638900. Its totient is φ = 9867607680.

The previous prime is 20440044701. The next prime is 20440044769. The reversal of 20440044712 is 21744004402.

It can be written as a sum of positive squares in 2 ways, for example, as 20290862916 + 149181796 = 142446^2 + 12214^2 .

It is a super-3 number, since 3×20440044712³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44051589 + ... + 44052052.

Almost surely, 2^20440044712 is an apocalyptic number.

It is an amenable number.

20440044712 is a deficient number, since it is larger than the sum of its proper divisors (19206594188).

20440044712 is a wasteful number, since it uses less digits than its factorization.

20440044712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88103676 (or 88103672 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

The spelling of 20440044712 in words is "twenty billion, four hundred forty million, forty-four thousand, seven hundred twelve".