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220212021212220 = 22353670200353537
BaseRepresentation
bin110010000100100000011011…
…010011001011010000111100
31001212201001201101102002202210
4302010200123103023100330
5212330423204412242340
62100204001142020420
764245536113035402
oct6204403323132074
91055631641362683
10220212021212220
1164191437071214
1220846694417710
1395b4b9b2426bb
143c54466703472
151a6d34790a180
hexc8481b4cb43c

220212021212220 has 24 divisors (see below), whose sum is σ = 616593659394384. Its totient is φ = 58723205656576.

The previous prime is 220212021212213. The next prime is 220212021212231. The reversal of 220212021212220 is 22212120212022.

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, 1835100176709 + ... + 1835100176828.

It is an arithmetic number, because the mean of its divisors is an integer number (25691402474766).

Almost surely, 2220212021212220 is an apocalyptic number.

220212021212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212021212220 is an abundant number, since it is smaller than the sum of its proper divisors (396381638182164).

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

220212021212220 is a wasteful number, since it uses less digits than its factorization.

220212021212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670200353549 (or 3670200353547 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220212021212220 its reverse (22212120212022), we get a palindrome (242424141424242).

The spelling of 220212021212220 in words is "two hundred twenty trillion, two hundred twelve billion, twenty-one million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3670200353537 7340400707074 11010601060611 14680801414148 18351001767685 22021202121222 36702003535370 44042404242444 55053005303055 73404007070740 110106010606110 220212021212220