20548160 has 56 divisors (see below), whose sum is σ = 49362360. Its totient is φ = 8146944.

The previous prime is 20548141. The next prime is 20548169. The reversal of 20548160 is 6184502.

It can be written as a sum of positive squares in 4 ways, for example, as 4032064 + 16516096 = 2008^2 + 4064^2 .

It is not an unprimeable number, because it can be changed into a prime (20548169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50036 + ... + 50444.

Almost surely, 2^20548160 is an apocalyptic number.

20548160 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 20548160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24681180).

20548160 is an abundant number, since it is smaller than the sum of its proper divisors (28814200).

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

20548160 is a wasteful number, since it uses less digits than its factorization.

20548160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 20548160 is about 4533.0078314514. The cubic root of 20548160 is about 273.8993361017.

The spelling of 20548160 in words is "twenty million, five hundred forty-eight thousand, one hundred sixty".