20848503 has 8 divisors (see below), whose sum is σ = 29936368. Its totient is φ = 12829824.

The previous prime is 20848489. The next prime is 20848543. The reversal of 20848503 is 30584802.

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

It is not a de Polignac number, because 20848503 - 2¹² = 20844407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20848543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267250 + ... + 267327.

It is an arithmetic number, because the mean of its divisors is an integer number (3742046).

Almost surely, 2^20848503 is an apocalyptic number.

20848503 is a deficient number, since it is larger than the sum of its proper divisors (9087865).

20848503 is a wasteful number, since it uses less digits than its factorization.

20848503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534593.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 20848503 is about 4566.0160972121. The cubic root of 20848503 is about 275.2273733856.

The spelling of 20848503 in words is "twenty million, eight hundred forty-eight thousand, five hundred three".