20066583 has 8 divisors (see below), whose sum is σ = 26873200. Its totient is φ = 13318848.

The previous prime is 20066581. The next prime is 20066587. The reversal of 20066583 is 38566002.

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

It is not a de Polignac number, because 20066583 - 2¹ = 20066581 is a prime.

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 20066583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20066581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13918 + ... + 15291.

It is an arithmetic number, because the mean of its divisors is an integer number (3359150).

Almost surely, 2^20066583 is an apocalyptic number.

20066583 is a deficient number, since it is larger than the sum of its proper divisors (6806617).

20066583 is a wasteful number, since it uses less digits than its factorization.

20066583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29441.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 20066583 is about 4479.5739752793. The cubic root of 20066583 is about 271.7426514506.

The spelling of 20066583 in words is "twenty million, sixty-six thousand, five hundred eighty-three".