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220020201120122 = 21324703134256087
BaseRepresentation
bin110010000001101101110001…
…111011100110000101111010
31001212000201121010001210102022
4302001231301323212011322
5212314302332441320442
62055535515055434442
764225635456124364
oct6201556173460572
91055021533053368
10220020201120122
1164118052687987
1220815480225a22
13959ca7b807620
143c4906ab5bd34
151a6836c66c3d2
hexc81b71ee617a

220020201120122 has 16 divisors (see below), whose sum is σ = 355418697094272. Its totient is φ = 101547371094960.

The previous prime is 220020201120121. The next prime is 220020201120163. The reversal of 220020201120122 is 221021102020022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220020201120122.

It is not an unprimeable number, because it can be changed into a prime (220020201120121) 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, 10705238 + ... + 23550849.

It is an arithmetic number, because the mean of its divisors is an integer number (22213668568392).

Almost surely, 2220020201120122 is an apocalyptic number.

220020201120122 is a deficient number, since it is larger than the sum of its proper divisors (135398495974150).

220020201120122 is a wasteful number, since it uses less digits than its factorization.

220020201120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34503133.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220020201120122 its reverse (221021102020022), we get a palindrome (441041303140144).

The spelling of 220020201120122 in words is "two hundred twenty trillion, twenty billion, two hundred one million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 13 26 247031 494062 3211403 6422806 34256087 68512174 445329131 890658262 8462315427697 16924630855394 110010100560061 220020201120122