20348059 has 4 divisors (see below), whose sum is σ = 21004480. Its totient is φ = 19691640.

The previous prime is 20348051. The next prime is 20348063. The reversal of 20348059 is 95084302.

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

It is a cyclic number.

It is not a de Polignac number, because 20348059 - 2³ = 20348051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 656389 = 20348059 / (2 + 0 + 3 + 4 + 8 + 0 + 5 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20348059.

It is not an unprimeable number, because it can be changed into a prime (20348051) 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, 328164 + ... + 328225.

It is an arithmetic number, because the mean of its divisors is an integer number (5251120).

Almost surely, 2^20348059 is an apocalyptic number.

20348059 is a deficient number, since it is larger than the sum of its proper divisors (656421).

20348059 is an equidigital number, since it uses as much as digits as its factorization.

20348059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656420.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 20348059 is about 4510.8822862052. The cubic root of 20348059 is about 273.0073436999.

The spelling of 20348059 in words is "twenty million, three hundred forty-eight thousand, fifty-nine".