20560366080 has 560 divisors, whose sum is σ = 77285767680. Its totient is φ = 5233434624.

The previous prime is 20560366067. The next prime is 20560366093. The reversal of 20560366080 is 8066306502.

20560366080 is a `hidden beast` number, since 2 + 0 + 560 + 36 + 60 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (20560366067) and next prime (20560366093).

It is a super-2 number, since 2×20560366080² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 42923281 + ... + 42923759.

Almost surely, 2^20560366080 is an apocalyptic number.

20560366080 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 20560366080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38642883840).

20560366080 is an abundant number, since it is smaller than the sum of its proper divisors (56725401600).

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

20560366080 is an frugal number, since it uses more digits than its factorization.

20560366080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 20560366080 in words is "twenty billion, five hundred sixty million, three hundred sixty-six thousand, eighty".