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22200120120220 = 2257183078661839
BaseRepresentation
bin1010000110000110111100…
…10001100001001110011100
32220121022101112121210002021
411003003132101201032130
510402211321222321340
6115114332215505524
74450622446335460
oct503033621411634
986538345553067
1022200120120220
11708a022063129
1225a66473882a4
13c50601a03b13
1456a6c4b3a4a0
15287721b13e4a
hex1430de46139c

22200120120220 has 48 divisors (see below), whose sum is σ = 53283204817920. Its totient is φ = 7611053108544.

The previous prime is 22200120120163. The next prime is 22200120120221. The reversal of 22200120120220 is 2202102100222.

It is a junction number, because it is equal to n+sod(n) for n = 22200120120194 and 22200120120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200120120221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1767940 + ... + 6893899.

It is an arithmetic number, because the mean of its divisors is an integer number (1110066767040).

Almost surely, 222200120120220 is an apocalyptic number.

22200120120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200120120220 is an abundant number, since it is smaller than the sum of its proper divisors (31083084697700).

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

22200120120220 is a wasteful number, since it uses less digits than its factorization.

22200120120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8680162 (or 8680160 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22200120120220 its reverse (2202102100222), we get a palindrome (24402222220442).

The spelling of 22200120120220 in words is "twenty-two trillion, two hundred billion, one hundred twenty million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 18307 36614 73228 91535 128149 183070 256298 366140 512596 640745 1281490 2562980 8661839 17323678 34647356 43309195 60632873 86618390 121265746 173236780 242531492 303164365 606328730 1212657460 158572286573 317144573146 634289146292 792861432865 1110006006011 1585722865730 2220012012022 3171445731460 4440024024044 5550030030055 11100060060110 22200120120220