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20330203 = 311973329
BaseRepresentation
bin100110110001…
…1011011011011
31102020212210111
41031203123123
520201031303
62003425151
7334542505
oct115433333
942225714
1020330203
1110526423
1269851b7
13429a80a
1429b2d75
151bb8b6d
hex13636db

20330203 has 8 divisors (see below), whose sum is σ = 21098880. Its totient is φ = 19568640.

The previous prime is 20330201. The next prime is 20330207. The reversal of 20330203 is 30203302.

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 20330203 - 21 = 20330201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330201) 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, 4443 + ... + 7771.

It is an arithmetic number, because the mean of its divisors is an integer number (2637360).

Almost surely, 220330203 is an apocalyptic number.

20330203 is a deficient number, since it is larger than the sum of its proper divisors (768677).

20330203 is a wasteful number, since it uses less digits than its factorization.

20330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557.

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 20330203 is about 4508.9026381150. The cubic root of 20330203 is about 272.9274630955.

Adding to 20330203 its reverse (30203302), we get a palindrome (50533505).

The spelling of 20330203 in words is "twenty million, three hundred thirty thousand, two hundred three".

Divisors: 1 31 197 3329 6107 103199 655813 20330203