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20222021112020 = 22571361182147551
BaseRepresentation
bin1001001100100010011100…
…11000101001000011010100
32122121012120102100120212122
410212101032120221003110
510122304144401041040
6111001511313035112
74154664351234440
oct446211630510324
978535512316778
1020222021112020
116497124804672
1223271b5b55a98
13b38c0b9374c0
144dca72c17820
1525104b7091b5
hex12644e6290d4

20222021112020 has 96 divisors (see below), whose sum is σ = 53122969245696. Its totient is φ = 6295019328000.

The previous prime is 20222021112019. The next prime is 20222021112089. The reversal of 20222021112020 is 2021112022202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20222021112020.

It is a congruent number.

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, 90962756 + ... + 91184795.

It is an arithmetic number, because the mean of its divisors is an integer number (553364262976).

Almost surely, 220222021112020 is an apocalyptic number.

20222021112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222021112020 is an abundant number, since it is smaller than the sum of its proper divisors (32900948133676).

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

20222021112020 is a wasteful number, since it uses less digits than its factorization.

20222021112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182147641 (or 182147639 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20222021112020 its reverse (2021112022202), we get a palindrome (22243133134222).

The spelling of 20222021112020 in words is "twenty trillion, two hundred twenty-two billion, twenty-one million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 61 65 70 91 122 130 140 182 244 260 305 364 427 455 610 793 854 910 1220 1586 1708 1820 2135 3172 3965 4270 5551 7930 8540 11102 15860 22204 27755 55510 111020 182147551 364295102 728590204 910737755 1275032857 1821475510 2367918163 2550065714 3642951020 4735836326 5100131428 6375164285 9471672652 11111000611 11839590815 12750328570 16575427141 22222001222 23679181630 25500657140 33150854282 44444002444 47358363260 55555003055 66301708564 77777004277 82877135705 111110006110 144443007943 155554008554 165754271410 222220012220 288886015886 311108017108 331508542820 388885021385 577772031772 722215039715 777770042770 1011101055601 1444430079430 1555540085540 2022202111202 2888860158860 4044404222404 5055505278005 10111010556010 20222021112020