20548882 has 4 divisors (see below), whose sum is σ = 30823326. Its totient is φ = 10274440.

The previous prime is 20548859. The next prime is 20548889. The reversal of 20548882 is 28884502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28884502 = 2 ⋅14442251.

It can be written as a sum of positive squares in only one way, i.e., 11840481 + 8708401 = 3441^2 + 2951^2 .

It is not an unprimeable number, because it can be changed into a prime (20548889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5137219 + ... + 5137222.

Almost surely, 2^20548882 is an apocalyptic number.

20548882 is a deficient number, since it is larger than the sum of its proper divisors (10274444).

20548882 is a wasteful number, since it uses less digits than its factorization.

20548882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274443.

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 20548882 is about 4533.0874688230. The cubic root of 20548882 is about 273.9025440613.

The spelling of 20548882 in words is "twenty million, five hundred forty-eight thousand, eight hundred eighty-two".