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2220120202122 = 232373333513817
BaseRepresentation
bin100000010011101001011…
…110011101101110001010
321212020111222211201000200
4200103221132131232022
5242333301232431442
64415524212513030
7316253435231334
oct40235136355612
97766458751020
102220120202122
11786602a806a9
122ba33591b776
13131483126094
1479650bc6454
153cb3ca1334c
hex204e979db8a

2220120202122 has 24 divisors (see below), whose sum is σ = 4940267478276. Its totient is φ = 720038984256.

The previous prime is 2220120202121. The next prime is 2220120202133. The reversal of 2220120202122 is 2212020210222.

2220120202122 is a `hidden beast` number, since 2 + 220 + 120 + 202 + 122 = 666.

2220120202122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1479558409641 + 740561792481 = 1216371^2 + 860559^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2220120202095 and 2220120202104.

It is not an unprimeable number, because it can be changed into a prime (2220120202121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1666756243 + ... + 1666757574.

Almost surely, 22220120202122 is an apocalyptic number.

2220120202122 is an abundant number, since it is smaller than the sum of its proper divisors (2720147276154).

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

2220120202122 is a wasteful number, since it uses less digits than its factorization.

2220120202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333513862 (or 3333513859 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2220120202122 its reverse (2212020210222), we get a palindrome (4432140412344).

It can be divided in two parts, 2220120 and 202122, that added together give a palindrome (2422242).

The spelling of 2220120202122 in words is "two trillion, two hundred twenty billion, one hundred twenty million, two hundred two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 3333513817 6667027634 10000541451 20001082902 30001624353 60003248706 123340011229 246680022458 370020033687 740040067374 1110060101061 2220120202122