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20010202222020 = 22351907253968879
BaseRepresentation
bin1001000110010111111001…
…11111101100110111000100
32121211221211101202002020120
410203023330333230313010
510110321343232101040
6110320320543101540
74133455315334253
oct443137477546704
977757741662216
1020010202222020
11641530854248a
1222b21402a18b0
13b21c52b559ba
144d26db1c079a
1524a7a088b7d0
hex1232fcfecdc4

20010202222020 has 96 divisors (see below), whose sum is σ = 56080839628800. Its totient is φ = 5331077852544.

The previous prime is 20010202221949. The next prime is 20010202222033. The reversal of 20010202222020 is 2022220201002.

It is a super-2 number, since 2×200102022220202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290477941 + ... + 290546819.

It is an arithmetic number, because the mean of its divisors is an integer number (584175412800).

Almost surely, 220010202222020 is an apocalyptic number.

20010202222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010202222020 is an abundant number, since it is smaller than the sum of its proper divisors (36070637406780).

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

20010202222020 is a wasteful number, since it uses less digits than its factorization.

20010202222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73337 (or 73335 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20010202222020 its reverse (2022220201002), we get a palindrome (22032422423022).

The spelling of 20010202222020 in words is "twenty trillion, ten billion, two hundred two million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1907 2539 3814 5078 5721 7617 7628 9535 10156 11442 12695 15234 19070 22884 25390 28605 30468 38085 38140 50780 57210 68879 76170 114420 137758 152340 206637 275516 344395 413274 688790 826548 1033185 1377580 2066370 4132740 4841873 9683746 14525619 19367492 24209365 29051238 48418730 58102476 72628095 96837460 131352253 145256190 174883781 262704506 290512380 349767562 394056759 524651343 525409012 656761265 699535124 788113518 874418905 1049302686 1313522530 1576227036 1748837810 1970283795 2098605372 2623256715 2627045060 3497675620 3940567590 5246513430 7881135180 10493026860 333503370367 667006740734 1000510111101 1334013481468 1667516851835 2001020222202 3335033703670 4002040444404 5002550555505 6670067407340 10005101111010 20010202222020