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2220221112220 = 225115396280187
BaseRepresentation
bin100000010011101111011…
…111011001111110011100
321212020210000201110122201
4200103233133121332130
5242334003101042340
64415542215421244
7316256102034016
oct40235737317634
97766700643581
102220221112220
11786654a33981
122ba363684824
1313149acc7bb7
14796603731b6
153cb467e779a
hex204ef7d9f9c

2220221112220 has 24 divisors (see below), whose sum is σ = 4666508151984. Its totient is φ = 887318194176.

The previous prime is 2220221112217. The next prime is 2220221112251. The reversal of 2220221112220 is 222111220222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48117034 + ... + 48163153.

It is an arithmetic number, because the mean of its divisors is an integer number (194437839666).

Almost surely, 22220221112220 is an apocalyptic number.

2220221112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220221112220 is an abundant number, since it is smaller than the sum of its proper divisors (2446287039764).

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

2220221112220 is a wasteful number, since it uses less digits than its factorization.

2220221112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96281349 (or 96281347 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2220221112220 its reverse (222111220222), we get a palindrome (2442332332442).

The spelling of 2220221112220 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1153 2306 4612 5765 11530 23060 96280187 192560374 385120748 481400935 962801870 1925603740 111011055611 222022111222 444044222444 555055278055 1110110556110 2220221112220