Search a number
-
+
20330023203 = 327893625829
BaseRepresentation
bin10010111011110000…
…111000100100100011
31221110211112011222100
4102323300320210203
5313113441220303
613201154541443
71316540226450
oct227360704443
957424464870
1020330023203
11869284a376
123b34597883
131bbcb88139
14dac072827
157dec0a8a3
hex4bbc38923

20330023203 has 24 divisors (see below), whose sum is σ = 33937768800. Its totient is φ = 11486623104.

The previous prime is 20330023201. The next prime is 20330023213. The reversal of 20330023203 is 30232003302.

It is not a de Polignac number, because 20330023203 - 21 = 20330023201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20330023201) 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 23 ways as a sum of consecutive naturals, for example, 1807308 + ... + 1818521.

It is an arithmetic number, because the mean of its divisors is an integer number (1414073700).

Almost surely, 220330023203 is an apocalyptic number.

20330023203 is a deficient number, since it is larger than the sum of its proper divisors (13607745597).

20330023203 is a wasteful number, since it uses less digits than its factorization.

20330023203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625931 (or 3625928 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20330023203 its reverse (30232003302), we get a palindrome (50562026505).

The spelling of 20330023203 in words is "twenty billion, three hundred thirty million, twenty-three thousand, two hundred three".

Divisors: 1 3 7 9 21 63 89 267 623 801 1869 5607 3625829 10877487 25380803 32632461 76142409 228427227 322698781 968096343 2258891467 2904289029 6776674401 20330023203