20239059 has 4 divisors (see below), whose sum is σ = 26985416. Its totient is φ = 13492704.

The previous prime is 20239049. The next prime is 20239069. The reversal of 20239059 is 95093202.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20239049) and next prime (20239069).

It is a de Polignac number, because none of the positive numbers 2^k-20239059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20239019) 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, 3373174 + ... + 3373179.

It is an arithmetic number, because the mean of its divisors is an integer number (6746354).

Almost surely, 2^20239059 is an apocalyptic number.

20239059 is a deficient number, since it is larger than the sum of its proper divisors (6746357).

20239059 is an equidigital number, since it uses as much as digits as its factorization.

20239059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746356.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 20239059 is about 4498.7841690839. The cubic root of 20239059 is about 272.5189909050.

The spelling of 20239059 in words is "twenty million, two hundred thirty-nine thousand, fifty-nine".