20444025996 has 48 divisors (see below), whose sum is σ = 53194454880. Its totient is φ = 6790063680.

The previous prime is 20444025947. The next prime is 20444025997. The reversal of 20444025996 is 69952044402.

It is not an unprimeable number, because it can be changed into a prime (20444025997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311775 + ... + 371606.

It is an arithmetic number, because the mean of its divisors is an integer number (1108217810).

Almost surely, 2^20444025996 is an apocalyptic number.

It is an amenable number.

20444025996 is an abundant number, since it is smaller than the sum of its proper divisors (32750428884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20444025996 is a wasteful number, since it uses less digits than its factorization.

20444025996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683671 (or 683663 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 20444025996 in words is "twenty billion, four hundred forty-four million, twenty-five thousand, nine hundred ninety-six".