20482158 has 8 divisors (see below), whose sum is σ = 40964328. Its totient is φ = 6827384.

The previous prime is 20482157. The next prime is 20482183. The reversal of 20482158 is 85128402.

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

20482158 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20482157) 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 in 3 ways as a sum of consecutive naturals, for example, 1706841 + ... + 1706852.

It is an arithmetic number, because the mean of its divisors is an integer number (5120541).

Almost surely, 2^20482158 is an apocalyptic number.

20482158 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.

20482158 is a wasteful number, since it uses less digits than its factorization.

20482158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413698.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 20482158 is about 4525.7218208812. The cubic root of 20482158 is about 273.6057608393.

The spelling of 20482158 in words is "twenty million, four hundred eighty-two thousand, one hundred fifty-eight".