20658482 has 8 divisors (see below), whose sum is σ = 33371436. Its totient is φ = 9534672.

The previous prime is 20658481. The next prime is 20658503. The reversal of 20658482 is 28485602.

It can be written as a sum of positive squares in 2 ways, for example, as 20079361 + 579121 = 4481^2 + 761^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20658481) 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, 397253 + ... + 397304.

Almost surely, 2^20658482 is an apocalyptic number.

20658482 is a deficient number, since it is larger than the sum of its proper divisors (12712954).

20658482 is a wasteful number, since it uses less digits than its factorization.

20658482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794572.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 20658482 is about 4545.1602832023. The cubic root of 20658482 is about 274.3886452050.

The spelling of 20658482 in words is "twenty million, six hundred fifty-eight thousand, four hundred eighty-two".