20548448832366 has 160 divisors (see below), whose sum is σ = 56673084135360. Its totient is φ = 5419002207744.

The previous prime is 20548448832361. The next prime is 20548448832383. The reversal of 20548448832366 is 66323884484502.

20548448832366 is a `hidden beast` number, since 2 + 0 + 5 + 484 + 48 + 83 + 2 + 36 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20548448832361) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 267809040 + ... + 267885756.

It is an arithmetic number, because the mean of its divisors is an integer number (354206775846).

Almost surely, 2^{20548448832366} is an apocalyptic number.

20548448832366 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20548448832366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28336542067680).

20548448832366 is an abundant number, since it is smaller than the sum of its proper divisors (36124635302994).

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

20548448832366 is a wasteful number, since it uses less digits than its factorization.

20548448832366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94920 (or 94911 counting only the distinct ones).

The product of its (nonzero) digits is 212336640, while the sum is 63.

The spelling of 20548448832366 in words is "twenty trillion, five hundred forty-eight billion, four hundred forty-eight million, eight hundred thirty-two thousand, three hundred sixty-six".