20578326159360 has 896 divisors, whose sum is σ = 71885324254464. Its totient is φ = 5005482393600.

The previous prime is 20578326159277. The next prime is 20578326159367. The reversal of 20578326159360 is 6395162387502.

It is a self number, because there is not a number n which added to its sum of digits gives 20578326159360.

It is not an unprimeable number, because it can be changed into a prime (20578326159367) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34240143060 + ... + 34240143660.

It is an arithmetic number, because the mean of its divisors is an integer number (80229156534).

Almost surely, 2^{20578326159360} is an apocalyptic number.

20578326159360 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 20578326159360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35942662127232).

20578326159360 is an abundant number, since it is smaller than the sum of its proper divisors (51306998095104).

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

20578326159360 is a wasteful number, since it uses less digits than its factorization.

20578326159360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 20578326159360 in words is "twenty trillion, five hundred seventy-eight billion, three hundred twenty-six million, one hundred fifty-nine thousand, three hundred sixty".