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20020200101010 = 234571348116851
BaseRepresentation
bin1001000110101010100001…
…11010100101010010010010
32121212220122011111221220000
410203111100322211102102
510111002332211213020
6110325053012230430
74134261136033434
oct443252072452222
977786564457800
1020020200101010
11641957903899a
1222b407060b416
13b22b8727c925
144d2da8d50654
1524ab8847b090
hex123550ea5492

20020200101010 has 80 divisors (see below), whose sum is σ = 54590292263232. Its totient is φ = 5263526772000.

The previous prime is 20020200101003. The next prime is 20020200101047. The reversal of 20020200101010 is 1010100202002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20020200100983 and 20020200101001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 174000916 + ... + 174115935.

Almost surely, 220020200101010 is an apocalyptic number.

20020200101010 is an abundant number, since it is smaller than the sum of its proper divisors (34570092162222).

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

20020200101010 is a wasteful number, since it uses less digits than its factorization.

20020200101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348116941 (or 348116932 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20020200101010 its reverse (1010100202002), we get a palindrome (21030300303012).

The spelling of 20020200101010 in words is "twenty trillion, twenty billion, two hundred million, one hundred one thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 71 81 90 135 142 162 213 270 355 405 426 639 710 810 1065 1278 1917 2130 3195 3834 5751 6390 9585 11502 19170 28755 57510 348116851 696233702 1044350553 1740584255 2088701106 3133051659 3481168510 5221752765 6266103318 9399154977 10443505530 15665258295 18798309954 24716296421 28197464931 31330516590 46995774885 49432592842 56394929862 74148889263 93991549770 123581482105 140987324655 148297778526 222446667789 247162964210 281974649310 370744446315 444893335578 667340003367 741488892630 1112233338945 1334680006734 2002020010101 2224466677890 3336700016835 4004040020202 6673400033670 10010100050505 20020200101010