20703187840896 has 704 divisors, whose sum is σ = 69072314826240. Its totient is φ = 6126735283200.

The previous prime is 20703187840883. The next prime is 20703187840901. The reversal of 20703187840896 is 69804878130702.

20703187840896 is a `hidden beast` number, since 2 + 0 + 70 + 3 + 1 + 8 + 78 + 408 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (704).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 87 ways as a sum of consecutive naturals, for example, 3575059761 + ... + 3575065551.

It is an arithmetic number, because the mean of its divisors is an integer number (98114083560).

Almost surely, 2^{20703187840896} 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 20703187840896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34536157413120).

20703187840896 is an abundant number, since it is smaller than the sum of its proper divisors (48369126985344).

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

20703187840896 is an frugal number, since it uses more digits than its factorization.

20703187840896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889 (or 5850 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 20703187840896 in words is "twenty trillion, seven hundred three billion, one hundred eighty-seven million, eight hundred forty thousand, eight hundred ninety-six".