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20332230212220 = 22353112423944953
BaseRepresentation
bin1001001111101111101110…
…10110111111101001111100
32122222202001002012221210120
410213313313112333221330
510131110401413242340
6111124255252334540
74165645422153453
oct447676726775174
978882032187716
1020332230212220
116529939992863
122344632914450
13b46423556824
14504129aabb9a
15253d4bd574d0
hex127df75bfa7c

20332230212220 has 96 divisors (see below), whose sum is σ = 57116926863360. Its totient is φ = 5404151016960.

The previous prime is 20332230212213. The next prime is 20332230212243. The reversal of 20332230212220 is 2221203223302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 452277264 + ... + 452322216.

It is an arithmetic number, because the mean of its divisors is an integer number (594967988160).

Almost surely, 220332230212220 is an apocalyptic number.

20332230212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332230212220 is an abundant number, since it is smaller than the sum of its proper divisors (36784696651140).

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

20332230212220 is a wasteful number, since it uses less digits than its factorization.

20332230212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69515 (or 69513 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20332230212220 its reverse (2221203223302), we get a palindrome (22553433435522).

The spelling of 20332230212220 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 311 622 933 1244 1555 1866 3110 3732 4665 6220 9330 18660 24239 44953 48478 72717 89906 96956 121195 134859 145434 179812 224765 242390 269718 290868 363585 449530 484780 539436 674295 727170 899060 1348590 1454340 2697180 7538329 13980383 15076658 22614987 27960766 30153316 37691645 41941149 45229974 55921532 69901915 75383290 83882298 90459948 113074935 139803830 150766580 167764596 209705745 226149870 279607660 419411490 452299740 838822980 1089615767 2179231534 3268847301 4358463068 5448078835 6537694602 10896157670 13075389204 16344236505 21792315340 32688473010 65376946020 338870503537 677741007074 1016611510611 1355482014148 1694352517685 2033223021222 3388705035370 4066446042444 5083057553055 6777410070740 10166115106110 20332230212220