20548000 has 96 divisors (see below), whose sum is σ = 55194048. Its totient is φ = 7456000.

The previous prime is 20547997. The next prime is 20548001. The reversal of 20548000 is 84502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20548001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43767 + ... + 44233.

It is an arithmetic number, because the mean of its divisors is an integer number (574938).

Almost surely, 2^20548000 is an apocalyptic number.

20548000 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 20548000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27597024).

20548000 is an abundant number, since it is smaller than the sum of its proper divisors (34646048).

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

20548000 is a wasteful number, since it uses less digits than its factorization.

20548000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 20548000 is about 4532.9901830911. The cubic root of 20548000 is about 273.8986251863.

It can be divided in two parts, 205 and 48000, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 20548000 in words is "twenty million, five hundred forty-eight thousand".