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20222242320 = 2435712037049
BaseRepresentation
bin10010110101010101…
…101110111000010000
31221012022201100101210
4102311111232320100
5312403343223240
613142344500120
71314061136460
oct226525567020
957168640353
1020222242320
118637a23a65
123b0447a640
131ba374bb77
14d9ba17ba0
157d551a780
hex4b556ee10

20222242320 has 80 divisors (see below), whose sum is σ = 71644521600. Its totient is φ = 4622226432.

The previous prime is 20222242301. The next prime is 20222242349. The reversal of 20222242320 is 2324222202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6016845 + ... + 6020204.

It is an arithmetic number, because the mean of its divisors is an integer number (895556520).

Almost surely, 220222242320 is an apocalyptic number.

20222242320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222242320 is an abundant number, since it is smaller than the sum of its proper divisors (51422279280).

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

20222242320 is a wasteful number, since it uses less digits than its factorization.

20222242320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12037072 (or 12037066 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 20222242320 its reverse (2324222202), we get a palindrome (22546464522).

The spelling of 20222242320 in words is "twenty billion, two hundred twenty-two million, two hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 12037049 24074098 36111147 48148196 60185245 72222294 84259343 96296392 120370490 144444588 168518686 180555735 192592784 240740980 252778029 288889176 337037372 361111470 421296715 481481960 505556058 577778352 674074744 722222940 842593430 962963920 1011112116 1263890145 1348149488 1444445880 1685186860 2022224232 2527780290 2888891760 3370373720 4044448464 5055560580 6740747440 10111121160 20222242320