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20220121130 = 25111779713567
BaseRepresentation
bin10010110101001101…
…101001000000101010
31221012011201120200012
4102311031221000222
5312402322334010
613142231211522
71314034123316
oct226515510052
957164646605
1020220121130
118636805310
123b03816ba2
131ba3188521
14d9b624b46
157d524c005
hex4b536902a

20220121130 has 64 divisors (see below), whose sum is σ = 42096402432. Its totient is φ = 6911063040.

The previous prime is 20220121091. The next prime is 20220121133. The reversal of 20220121130 is 3112102202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20220121133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1483607 + ... + 1497173.

It is an arithmetic number, because the mean of its divisors is an integer number (657756288).

Almost surely, 220220121130 is an apocalyptic number.

20220121130 is an abundant number, since it is smaller than the sum of its proper divisors (21876281302).

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

20220121130 is a wasteful number, since it uses less digits than its factorization.

20220121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14399.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20220121130 its reverse (3112102202), we get a palindrome (23332223332).

The spelling of 20220121130 in words is "twenty billion, two hundred twenty million, one hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 374 797 935 1594 1870 3985 7970 8767 13549 13567 17534 27098 27134 43835 67745 67835 87670 135490 135670 149039 149237 230639 298078 298474 461278 745195 746185 1153195 1490390 1492370 2306390 2537029 5074058 10812899 12685145 21625798 25370290 54064495 108128990 118941889 183819283 237883778 367638566 594709445 919096415 1189418890 1838192830 2022012113 4044024226 10110060565 20220121130