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20020053234 = 236115122399
BaseRepresentation
bin10010101001010010…
…011100010011110010
31220200020021002010010
4102221102130103302
5312000113200414
613110323115350
71306054434066
oct225122342362
956606232103
1020020053234
118543886345
123a68812b56
131b708a935c
14d7cc25aa6
157c28cc959
hex4a949c4f2

20020053234 has 48 divisors (see below), whose sum is σ = 40984876800. Its totient is φ = 6517764000.

The previous prime is 20020053187. The next prime is 20020053241. The reversal of 20020053234 is 43235002002.

It is a self number, because there is not a number n which added to its sum of digits gives 20020053234.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8343967 + ... + 8346365.

It is an arithmetic number, because the mean of its divisors is an integer number (853851600).

Almost surely, 220020053234 is an apocalyptic number.

20020053234 is an abundant number, since it is smaller than the sum of its proper divisors (20964823566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20020053234 is a wasteful number, since it uses less digits than its factorization.

20020053234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767 (or 2616 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 20020053234 its reverse (43235002002), we get a palindrome (63255055236).

The spelling of 20020053234 in words is "twenty billion, twenty million, fifty-three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 61 122 151 183 302 366 453 906 2399 4798 7197 9211 14394 18422 22801 27633 45602 55266 68403 136806 146339 292678 362249 439017 724498 878034 1086747 1390861 2173494 2781722 4172583 8345166 22097189 44194378 54699599 66291567 109399198 132583134 164098797 328197594 3336675539 6673351078 10010026617 20020053234