20560794508800 has 1080 divisors, whose sum is σ = 92179235604456. Its totient is φ = 4338086215680.

The previous prime is 20560794508757. The next prime is 20560794508811. The reversal of 20560794508800 is 880549706502.

20560794508800 is a `hidden beast` number, since 2 + 0 + 5 + 60 + 79 + 4 + 508 + 8 + 0 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 73242307 + ... + 73522493.

Almost surely, 2^{20560794508800} is an apocalyptic number.

20560794508800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20560794508800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46089617802228).

20560794508800 is an abundant number, since it is smaller than the sum of its proper divisors (71618441095656).

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

20560794508800 is a wasteful number, since it uses less digits than its factorization.

20560794508800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280248 (or 280217 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 20560794508800 in words is "twenty trillion, five hundred sixty billion, seven hundred ninety-four million, five hundred eight thousand, eight hundred".