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2122020022220 = 225715157285873
BaseRepresentation
bin11110111000010010001…
…111111110011111001100
321111212022020001020000022
4132320102033332133030
5234231344111202340
64302501553321312
7306211430403050
oct36702217763714
97455266036008
102122020022220
11748a41a8855a
122a3318266238
1312514b0b6357
14749c61c3c60
153a2ea49d3b5
hex1ee123fe7cc

2122020022220 has 24 divisors (see below), whose sum is σ = 5092848053664. Its totient is φ = 727549721856.

The previous prime is 2122020022207. The next prime is 2122020022223. The reversal of 2122020022220 is 222200202212.

It is not an unprimeable number, because it can be changed into a prime (2122020022223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7578642797 + ... + 7578643076.

It is an arithmetic number, because the mean of its divisors is an integer number (212202002236).

Almost surely, 22122020022220 is an apocalyptic number.

2122020022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122020022220 is an abundant number, since it is smaller than the sum of its proper divisors (2970828031444).

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

2122020022220 is a wasteful number, since it uses less digits than its factorization.

2122020022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15157285889 (or 15157285887 counting only the distinct ones).

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

Adding to 2122020022220 its reverse (222200202212), we get a palindrome (2344220224432).

The spelling of 2122020022220 in words is "two trillion, one hundred twenty-two billion, twenty million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 15157285873 30314571746 60629143492 75786429365 106101001111 151572858730 212202002222 303145717460 424404004444 530505005555 1061010011110 2122020022220