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22010202022220 = 22519794331693267
BaseRepresentation
bin1010000000100101001100…
…10001011110000101001100
32212221011011211012210010122
411000102212101132011030
510341103343204202340
6114451202555524112
74431120216210656
oct500224621360514
985834154183118
1022010202022220
117016524267145
122575884159638
13c3872634a139
14561429a1b6d6
15282808829db5
hex1404a645e14c

22010202022220 has 96 divisors (see below), whose sum is σ = 49383822566400. Its totient is φ = 8216105923584.

The previous prime is 22010202022139. The next prime is 22010202022223. The reversal of 22010202022220 is 2222020201022.

It is not an unprimeable number, because it can be changed into a prime (22010202022223) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 12152027 + ... + 13845293.

It is an arithmetic number, because the mean of its divisors is an integer number (514414818400).

Almost surely, 222010202022220 is an apocalyptic number.

22010202022220 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 22010202022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24691911283200).

22010202022220 is an abundant number, since it is smaller than the sum of its proper divisors (27373620544180).

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

22010202022220 is a wasteful number, since it uses less digits than its factorization.

22010202022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693807 (or 1693805 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22010202022220 its reverse (2222020201022), we get a palindrome (24232222223242).

The spelling of 22010202022220 in words is "twenty-two trillion, ten billion, two hundred two million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 79 95 158 190 316 380 395 433 790 866 1501 1580 1732 2165 3002 4330 6004 7505 8227 8660 15010 16454 30020 32908 34207 41135 68414 82270 136828 164540 171035 342070 649933 684140 1299866 1693267 2599732 3249665 3386534 6499330 6773068 8466335 12998660 16932670 32172073 33865340 64344146 128688292 133768093 160860365 267536186 321720730 535072372 643441460 668840465 733184611 1337680930 1466369222 2541593767 2675361860 2932738444 3665923055 5083187534 7331846110 10166375068 12707968835 13930507609 14663692220 25415937670 27861015218 50831875340 55722030436 57921584269 69652538045 115843168538 139305076090 231686337076 278610152180 289607921345 579215842690 1100510101111 1158431685380 2201020202222 4402040404444 5502550505555 11005101011110 22010202022220