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20132120223 = 32311014211697
BaseRepresentation
bin10010101111111101…
…111100011010011111
31220222001010200010100
4102233331330122133
5312212310321343
613125405112143
71311615125025
oct225775743237
956861120110
1020132120223
1185a1069996
123a9a258653
131b8ab86497
14d8da78715
157cc6679d3
hex4aff7c69f

20132120223 has 48 divisors (see below), whose sum is σ = 30404904192. Its totient is φ = 12821760000.

The previous prime is 20132120221. The next prime is 20132120227. The reversal of 20132120223 is 32202123102.

It is not a de Polignac number, because 20132120223 - 21 = 20132120221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20132120196 and 20132120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132120221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11862511 + ... + 11864207.

It is an arithmetic number, because the mean of its divisors is an integer number (633435504).

Almost surely, 220132120223 is an apocalyptic number.

20132120223 is a deficient number, since it is larger than the sum of its proper divisors (10272783969).

20132120223 is a wasteful number, since it uses less digits than its factorization.

20132120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20132120223 its reverse (32202123102), we get a palindrome (52334243325).

The spelling of 20132120223 in words is "twenty billion, one hundred thirty-two million, one hundred twenty thousand, two hundred twenty-three".

Divisors: 1 3 9 31 93 101 279 303 421 909 1263 1697 3131 3789 5091 9393 13051 15273 28179 39153 42521 52607 117459 127563 157821 171397 382689 473463 514191 714437 1318151 1542573 2143311 3954453 5313307 6429933 11863359 15939921 22147547 47819763 66442641 72158137 199327923 216474411 649423233 2236902247 6710706741 20132120223