20895352784 has 20 divisors (see below), whose sum is σ = 40487634816. Its totient is φ = 10446930912.

The previous prime is 20895352703. The next prime is 20895352853. The reversal of 20895352784 is 48725359802.

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, 236927 + ... + 312929.

Almost surely, 2^20895352784 is an apocalyptic number.

It is an amenable number.

20895352784 is a deficient number, since it is larger than the sum of its proper divisors (19592282032).

20895352784 is a wasteful number, since it uses less digits than its factorization.

20895352784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93194 (or 93188 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 20895352784 in words is "twenty billion, eight hundred ninety-five million, three hundred fifty-two thousand, seven hundred eighty-four".