20548382 has 8 divisors (see below), whose sum is σ = 31027152. Its totient is φ = 10206000.

The previous prime is 20548379. The next prime is 20548417. The reversal of 20548382 is 28384502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33719 + ... + 34322.

It is an arithmetic number, because the mean of its divisors is an integer number (3878394).

Almost surely, 2^20548382 is an apocalyptic number.

20548382 is a deficient number, since it is larger than the sum of its proper divisors (10478770).

20548382 is a wasteful number, since it uses less digits than its factorization.

20548382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68194.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 20548382 is about 4533.0323184376. The cubic root of 20548382 is about 273.9003224906.

The spelling of 20548382 in words is "twenty million, five hundred forty-eight thousand, three hundred eighty-two".