20895635998848 has 256 divisors, whose sum is σ = 60441039509760. Its totient is φ = 6357812428800.

The previous prime is 20895635998843. The next prime is 20895635998871. The reversal of 20895635998848 is 84889953659802.

It is not an unprimeable number, because it can be changed into a prime (20895635998843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360408390 + ... + 360466362.

It is an arithmetic number, because the mean of its divisors is an integer number (236097810585).

Almost surely, 2^{20895635998848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20895635998848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30220519754880).

20895635998848 is an abundant number, since it is smaller than the sum of its proper divisors (39545403510912).

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

20895635998848 is a wasteful number, since it uses less digits than its factorization.

20895635998848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58807 (or 58795 counting only the distinct ones).

The product of its (nonzero) digits is 10749542400, while the sum is 84.

The spelling of 20895635998848 in words is "twenty trillion, eight hundred ninety-five billion, six hundred thirty-five million, nine hundred ninety-eight thousand, eight hundred forty-eight".