20848017 has 4 divisors (see below), whose sum is σ = 27797360. Its totient is φ = 13898676.

The previous prime is 20848007. The next prime is 20848019. The reversal of 20848017 is 71084802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20848017 - 2⁷ = 20847889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20848019) 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, 3474667 + ... + 3474672.

It is an arithmetic number, because the mean of its divisors is an integer number (6949340).

Almost surely, 2^20848017 is an apocalyptic number.

It is an amenable number.

20848017 is a deficient number, since it is larger than the sum of its proper divisors (6949343).

20848017 is an equidigital number, since it uses as much as digits as its factorization.

20848017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6949342.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 20848017 is about 4565.9628776415. The cubic root of 20848017 is about 275.2252347581.

It can be divided in two parts, 2084 and 8017, that added together give a palindrome (10101).

The spelling of 20848017 in words is "twenty million, eight hundred forty-eight thousand, seventeen".