Search a number
-
+
20002330 = 253316043
BaseRepresentation
bin100110001001…
…1011000011010
31101122020001001
41030103120122
520110033310
61552415214
7332005555
oct114233032
941566031
1020002330
1110322057
12684750a
1341b44ca
14292969c
151b5193a
hex131361a

20002330 has 16 divisors (see below), whose sum is σ = 36118944. Its totient is φ = 7975440.

The previous prime is 20002321. The next prime is 20002331. The reversal of 20002330 is 3320002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20002331) 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, 289 + ... + 6331.

It is an arithmetic number, because the mean of its divisors is an integer number (2257434).

Almost surely, 220002330 is an apocalyptic number.

20002330 is a deficient number, since it is larger than the sum of its proper divisors (16116614).

20002330 is a wasteful number, since it uses less digits than its factorization.

20002330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 20002330 is about 4472.3964493323. The cubic root of 20002330 is about 271.4523022386.

Adding to 20002330 its reverse (3320002), we get a palindrome (23322332).

The spelling of 20002330 in words is "twenty million, two thousand, three hundred thirty".

Divisors: 1 2 5 10 331 662 1655 3310 6043 12086 30215 60430 2000233 4000466 10001165 20002330