20482559 has 4 divisors (see below), whose sum is σ = 20763216. Its totient is φ = 20201904.

The previous prime is 20482547. The next prime is 20482573. The reversal of 20482559 is 95528402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95528402 = 2 ⋅47764201.

It is a cyclic number.

It is not a de Polignac number, because 20482559 - 2⁴ = 20482543 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20482529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140219 + ... + 140364.

It is an arithmetic number, because the mean of its divisors is an integer number (5190804).

Almost surely, 2^20482559 is an apocalyptic number.

20482559 is a deficient number, since it is larger than the sum of its proper divisors (280657).

20482559 is an equidigital number, since it uses as much as digits as its factorization.

20482559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280656.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 20482559 is about 4525.7661229896. The cubic root of 20482559 is about 273.6075463803.

The spelling of 20482559 in words is "twenty million, four hundred eighty-two thousand, five hundred fifty-nine".