Search a number
-
+
20020112323 = 711571796009
BaseRepresentation
bin10010101001010010…
…101010101111000011
31220200020101002011121
4102221102222233003
5312000122043243
613110324253111
71306055101261
oct225122525703
956606332147
1020020112323
118543916782
123a68841197
131b708ca213
14d7cc3d431
157c28e01ed
hex4a94aabc3

20020112323 has 8 divisors (see below), whose sum is σ = 20431409760. Its totient is φ = 19612407360.

The previous prime is 20020112317. The next prime is 20020112327. The reversal of 20020112323 is 32321102002.

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 20020112323 - 25 = 20020112291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020112297 and 20020112306.

It is not an unprimeable number, because it can be changed into a prime (20020112327) 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 7 ways as a sum of consecutive naturals, for example, 886858 + ... + 909151.

It is an arithmetic number, because the mean of its divisors is an integer number (2553926220).

Almost surely, 220020112323 is an apocalyptic number.

20020112323 is a deficient number, since it is larger than the sum of its proper divisors (411297437).

20020112323 is a wasteful number, since it uses less digits than its factorization.

20020112323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796237.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20020112323 its reverse (32321102002), we get a palindrome (52341214325).

The spelling of 20020112323 in words is "twenty billion, twenty million, one hundred twelve thousand, three hundred twenty-three".

Divisors: 1 71 157 11147 1796009 127516639 281973413 20020112323