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20223322020 = 223251110213799
BaseRepresentation
bin10010110101011001…
…110110011110100100
31221012101202012110200
4102311121312132210
5312404132301040
613142423550500
71314103254336
oct226531663644
957171665420
1020223322020
1186385a1180
123b048bb430
131ba3a39445
14d9bc19456
157d5680630
hex4b56767a4

20223322020 has 72 divisors (see below), whose sum is σ = 66920817600. Its totient is φ = 4902623040.

The previous prime is 20223321977. The next prime is 20223322109. The reversal of 20223322020 is 2022332202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20223321984 and 20223322002.

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 23 ways as a sum of consecutive naturals, for example, 5104920 + ... + 5108879.

It is an arithmetic number, because the mean of its divisors is an integer number (929455800).

Almost surely, 220223322020 is an apocalyptic number.

20223322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223322020 is an abundant number, since it is smaller than the sum of its proper divisors (46697495580).

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

20223322020 is a wasteful number, since it uses less digits than its factorization.

20223322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213825 (or 10213820 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20223322020 its reverse (2022332202), we get a palindrome (22245654222).

It can be divided in two parts, 20223 and 322020, that added together give a palindrome (342243).

The spelling of 20223322020 in words is "twenty billion, two hundred twenty-three million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 10213799 20427598 30641397 40855196 51068995 61282794 91924191 102137990 112351789 122565588 153206985 183848382 204275980 224703578 306413970 337055367 367696764 449407156 459620955 561758945 612827940 674110734 919241910 1011166101 1123517890 1348221468 1685276835 1838483820 2022332202 2247035780 3370553670 4044664404 5055830505 6741107340 10111661010 20223322020