20530059 has 8 divisors (see below), whose sum is σ = 29861952. Its totient is φ = 12442440.

The previous prime is 20530039. The next prime is 20530093. The reversal of 20530059 is 95003502.

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

It is a de Polignac number, because none of the positive numbers 2^k-20530059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20530019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311029 + ... + 311094.

It is an arithmetic number, because the mean of its divisors is an integer number (3732744).

Almost surely, 2^20530059 is an apocalyptic number.

20530059 is a deficient number, since it is larger than the sum of its proper divisors (9331893).

20530059 is a wasteful number, since it uses less digits than its factorization.

20530059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622137.

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

The square root of 20530059 is about 4531.0108143769. The cubic root of 20530059 is about 273.8188859398.

The spelling of 20530059 in words is "twenty million, five hundred thirty thousand, fifty-nine".