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220212122022200 = 2352711171223687773
BaseRepresentation
bin110010000100100000100001…
…010011101111000100111000
31001212201001222102002210001202
4302010200201103233010320
5212330423411214202300
62100204015142433332
764245541445643140
oct6204404123570470
91055631872083052
10220212122022200
1164191488a66250
1220846702132848
1395b4bb60aaa89
143c54475c65920
151a6d3516bead5
hexc848214ef138

220212122022200 has 384 divisors, whose sum is σ = 676431561323520. Its totient is φ = 64547127091200.

The previous prime is 220212122022097. The next prime is 220212122022271. The reversal of 220212122022200 is 2220221212022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 319837514 + ... + 320525286.

It is an arithmetic number, because the mean of its divisors is an integer number (1761540524280).

Almost surely, 2220212122022200 is an apocalyptic number.

220212122022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220212122022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338215780661760).

220212122022200 is an abundant number, since it is smaller than the sum of its proper divisors (456219439301320).

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

220212122022200 is a wasteful number, since it uses less digits than its factorization.

220212122022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689047 (or 689038 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 220212122022200 its reverse (2220221212022), we get a palindrome (222432343234222).

The spelling of 220212122022200 in words is "two hundred twenty trillion, two hundred twelve billion, one hundred twenty-two million, twenty-two thousand, two hundred".