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20222020202020 = 22571314951743161
BaseRepresentation
bin1001001100100010011100…
…10101001010111000100100
32122121012120100122100120221
410212101032111022320210
510122304144132431040
6111001511241334124
74154664340424410
oct446211625127044
978535510570527
1020222020202020
1164971242429aa
1223271b5797344
13b38c0b6a9240
144dca72a5bd40
1525104b5c974a
hex12644e54ae24

20222020202020 has 96 divisors (see below), whose sum is σ = 52269710685696. Its totient is φ = 6399499392000.

The previous prime is 20222020202009. The next prime is 20222020202047. The reversal of 20222020202020 is 2020202022202.

It is a happy number.

It is a super-2 number, since 2×202220202020202 (a number of 27 digits) contains 22 as substring.

20222020202020 is a modest number, since divided by 20202020 gives 202220 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20222020201985 and 20222020202003.

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 31 ways as a sum of consecutive naturals, for example, 26839240 + ... + 27582400.

It is an arithmetic number, because the mean of its divisors is an integer number (544476152976).

Almost surely, 220222020202020 is an apocalyptic number.

20222020202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222020202020 is an abundant number, since it is smaller than the sum of its proper divisors (32047690483676).

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

20222020202020 is a wasteful number, since it uses less digits than its factorization.

20222020202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758141 (or 758139 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20222020202020 its reverse (2020202022202), we get a palindrome (22242222224222).

The spelling of 20222020202020 in words is "twenty trillion, two hundred twenty-two billion, twenty million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 14951 29902 59804 74755 104657 149510 194363 209314 299020 388726 418628 523285 743161 777452 971815 1046570 1360541 1486322 1943630 2093140 2721082 2972644 3715805 3887260 5202127 5442164 6802705 7431610 9661093 10404254 13605410 14863220 19322186 20808508 26010635 27210820 38644372 48305465 52021270 67627651 96610930 104042540 135255302 193221860 270510604 338138255 676276510 1352553020 11111000111 22222000222 44444000444 55555000555 77777000777 111110001110 144443001443 155554001554 222220002220 288886002886 311108003108 388885003885 577772005772 722215007215 777770007770 1011101010101 1444430014430 1555540015540 2022202020202 2888860028860 4044404040404 5055505050505 10111010101010 20222020202020