20848339 has 8 divisors (see below), whose sum is σ = 22194000. Its totient is φ = 19527552.

The previous prime is 20848297. The next prime is 20848343. The reversal of 20848339 is 93384802.

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

It is a cyclic number.

It is not a de Polignac number, because 20848339 - 2⁷ = 20848211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20848298 and 20848307.

It is not an unprimeable number, because it can be changed into a prime (20848379) 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, 4474 + ... + 7855.

It is an arithmetic number, because the mean of its divisors is an integer number (2774250).

Almost surely, 2^20848339 is an apocalyptic number.

20848339 is a deficient number, since it is larger than the sum of its proper divisors (1345661).

20848339 is a wasteful number, since it uses less digits than its factorization.

20848339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12437.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 20848339 is about 4565.9981384140. The cubic root of 20848339 is about 275.2266517125.

The spelling of 20848339 in words is "twenty million, eight hundred forty-eight thousand, three hundred thirty-nine".