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220220011120220 = 225414491944730757
BaseRepresentation
bin110010000100100111110111…
…100010010000011001011100
31001212201211100012211111001022
4302010213313202100121130
5212331041040321321340
62100211402041303312
764246241112113666
oct6204476742203134
91055654305744038
10220220011120220
1164194867176371
1220848144194b38
1395b5872661107
143c549c3901536
151a6d6640b03b5
hexc849f789065c

220220011120220 has 96 divisors (see below), whose sum is σ = 474836541379200. Its totient is φ = 85740917391360.

The previous prime is 220220011120199. The next prime is 220220011120231. The reversal of 220220011120220 is 22021110022022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7159981082 + ... + 7160011838.

It is an arithmetic number, because the mean of its divisors is an integer number (4946213972700).

Almost surely, 2220220011120220 is an apocalyptic number.

220220011120220 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 220220011120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237418270689600).

220220011120220 is an abundant number, since it is smaller than the sum of its proper divisors (254616530258980).

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

220220011120220 is a wasteful number, since it uses less digits than its factorization.

220220011120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50703 (or 50701 counting only the distinct ones).

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

Adding to 220220011120220 its reverse (22021110022022), we get a palindrome (242241121142242).

The spelling of 220220011120220 in words is "two hundred twenty trillion, two hundred twenty billion, eleven million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 449 820 898 1796 2245 4490 8980 18409 19447 30757 36818 38894 61514 73636 77788 92045 97235 123028 153785 184090 194470 307570 368180 388940 615140 797327 1261037 1594654 2522074 3189308 3986635 5044148 6305185 7973270 8731703 12610370 13809893 15946540 17463406 25220740 27619786 34926812 43658515 55239572 69049465 87317030 138098930 174634060 276197860 357999823 566205613 598131379 715999646 1132411226 1196262758 1431999292 1789999115 2264822452 2392525516 2831028065 2990656895 3579998230 5662056130 5981313790 7159996460 11324112260 11962627580 24523386539 49046773078 98093546156 122616932695 245233865390 268560989171 490467730780 537121978342 1074243956684 1342804945855 2685609891710 5371219783420 11011000556011 22022001112022 44044002224044 55055002780055 110110005560110 220220011120220