20030559 has 8 divisors (see below), whose sum is σ = 27160320. Its totient is φ = 13127256.

The previous prime is 20030551. The next prime is 20030587. The reversal of 20030559 is 95503002.

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

It is not a de Polignac number, because 20030559 - 2³ = 20030551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030551) 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 7 ways as a sum of consecutive naturals, for example, 56407 + ... + 56760.

It is an arithmetic number, because the mean of its divisors is an integer number (3395040).

Almost surely, 2^20030559 is an apocalyptic number.

20030559 is a deficient number, since it is larger than the sum of its proper divisors (7129761).

20030559 is a wasteful number, since it uses less digits than its factorization.

20030559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113229.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 20030559 is about 4475.5512509634. The cubic root of 20030559 is about 271.5799411195.

The spelling of 20030559 in words is "twenty million, thirty thousand, five hundred fifty-nine".