20566482 has 8 divisors (see below), whose sum is σ = 41132976. Its totient is φ = 6855492.

The previous prime is 20566453. The next prime is 20566489. The reversal of 20566482 is 28466502.

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

20566482 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20566489) by changing a digit.

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, 1713868 + ... + 1713879.

It is an arithmetic number, because the mean of its divisors is an integer number (5141622).

Almost surely, 2^20566482 is an apocalyptic number.

20566482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20566482 is a wasteful number, since it uses less digits than its factorization.

20566482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427752.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 20566482 is about 4535.0283350824. The cubic root of 20566482 is about 273.9807204010.

The spelling of 20566482 in words is "twenty million, five hundred sixty-six thousand, four hundred eighty-two".