20895983344 has 20 divisors (see below), whose sum is σ = 41149674040. Its totient is φ = 10276712640.

The previous prime is 20895983237. The next prime is 20895983369. The reversal of 20895983344 is 44338959802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10703934 + ... + 10705885.

It is an arithmetic number, because the mean of its divisors is an integer number (2057483702).

Almost surely, 2^20895983344 is an apocalyptic number.

It is an amenable number.

20895983344 is a deficient number, since it is larger than the sum of its proper divisors (20253690696).

20895983344 is a wasteful number, since it uses less digits than its factorization.

20895983344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21409888 (or 21409882 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 20895983344 in words is "twenty billion, eight hundred ninety-five million, nine hundred eighty-three thousand, three hundred forty-four".