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220212010201220 = 225231748327382129
BaseRepresentation
bin110010000100100000011010…
…101001001011000010000100
31001212201001200121200200111222
4302010200122221023002010
5212330423144102414340
62100204000110015512
764245535620325352
oct6204403251130204
91055631617620458
10220212010201220
1164191430930514
12208466907a7598
1395b4b98b8890b
143c544650787d2
151a6d3469828b5
hexc8481aa4b084

220212010201220 has 48 divisors (see below), whose sum is σ = 482579154207360. Its totient is φ = 84250207658496.

The previous prime is 220212010201219. The next prime is 220212010201297. The reversal of 220212010201220 is 22102010212022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5648885 + ... + 21733244.

It is an arithmetic number, because the mean of its divisors is an integer number (10053732379320).

Almost surely, 2220212010201220 is an apocalyptic number.

220212010201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220212010201220 is an abundant number, since it is smaller than the sum of its proper divisors (262367144006140).

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

220212010201220 is a wasteful number, since it uses less digits than its factorization.

220212010201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27399644 (or 27399642 counting only the distinct ones).

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

Adding to 220212010201220 its reverse (22102010212022), we get a palindrome (242314020413242).

The spelling of 220212010201220 in words is "two hundred twenty trillion, two hundred twelve billion, ten million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 17483 34966 69932 87415 174830 349660 402109 804218 1608436 2010545 4021090 8042180 27382129 54764258 109528516 136910645 273821290 547642580 629788967 1259577934 2519155868 3148944835 6297889670 12595779340 478721761307 957443522614 1914887045228 2393608806535 4787217613070 9574435226140 11010600510061 22021201020122 44042402040244 55053002550305 110106005100610 220212010201220