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22130010220 = 22519678531019
BaseRepresentation
bin10100100111000011…
…010010100001101100
32010010021111222222011
4110213003102201230
5330310240311340
614055534531004
71412254661143
oct244703224154
963107458864
1022130010220
1194268a524a
124357366a64
132118a72306
1410dd14475a
15897c600ea
hex5270d286c

22130010220 has 96 divisors (see below), whose sum is σ = 49756089600. Its totient is φ = 8243161344.

The previous prime is 22130010187. The next prime is 22130010271. The reversal of 22130010220 is 2201003122.

It is a self number, because there is not a number n which added to its sum of digits gives 22130010220.

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, 21716871 + ... + 21717889.

It is an arithmetic number, because the mean of its divisors is an integer number (518292600).

Almost surely, 222130010220 is an apocalyptic number.

22130010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22130010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24878044800).

22130010220 is an abundant number, since it is smaller than the sum of its proper divisors (27626079380).

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

22130010220 is a wasteful number, since it uses less digits than its factorization.

22130010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22130010220 its reverse (2201003122), we get a palindrome (24331013342).

The spelling of 22130010220 in words is "twenty-two billion, one hundred thirty million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 67 76 95 134 190 268 335 380 670 853 1019 1273 1340 1706 2038 2546 3412 4076 4265 5092 5095 6365 8530 10190 12730 16207 17060 19361 20380 25460 32414 38722 57151 64828 68273 77444 81035 96805 114302 136546 162070 193610 228604 273092 285755 324140 341365 387220 571510 682730 869207 1085869 1143020 1297187 1365460 1738414 2171738 2594374 3476828 4343476 4346035 5188748 5429345 6485935 8692070 10858690 12971870 16514933 17384140 21717380 25943740 33029866 58236869 66059732 82574665 116473738 165149330 232947476 291184345 330298660 582368690 1106500511 1164737380 2213001022 4426002044 5532502555 11065005110 22130010220