20090283 has 8 divisors (see below), whose sum is σ = 26820096. Its totient is φ = 13377000.

The previous prime is 20090269. The next prime is 20090299. The reversal of 20090283 is 38209002.

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

It is not a de Polignac number, because 20090283 - 2⁵ = 20090251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20090183) 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 7 ways as a sum of consecutive naturals, for example, 943 + ... + 6408.

It is an arithmetic number, because the mean of its divisors is an integer number (3352512).

Almost surely, 2^20090283 is an apocalyptic number.

20090283 is a deficient number, since it is larger than the sum of its proper divisors (6729813).

20090283 is an equidigital number, since it uses as much as digits as its factorization.

20090283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8265.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20090283 is about 4482.2185355023. The cubic root of 20090283 is about 271.8495915481.

Adding to 20090283 its reverse (38209002), we get a palindrome (58299285).

The spelling of 20090283 in words is "twenty million, ninety thousand, two hundred eighty-three".