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2000010122220 = 22351112907234781
BaseRepresentation
bin11101000110101001111…
…001001001001111101100
321002012101010220010001010
4131012221321021033230
5230232010042402340
64130443021545220
7264332054353635
oct35065171111754
97065333803033
102000010122220
11701221634860
12283747415210
131167a5699756
146cb2dd6688c
1537058d2bb80
hex1d1a9e493ec

2000010122220 has 96 divisors (see below), whose sum is σ = 6109621168896. Its totient is φ = 484811308800.

The previous prime is 2000010122101. The next prime is 2000010122237. The reversal of 2000010122220 is 222210100002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2000010122196 and 2000010122205.

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, 8401230 + ... + 8636010.

It is an arithmetic number, because the mean of its divisors is an integer number (63641887176).

Almost surely, 22000010122220 is an apocalyptic number.

2000010122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000010122220 is an abundant number, since it is smaller than the sum of its proper divisors (4109611046676).

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

2000010122220 is a wasteful number, since it uses less digits than its factorization.

2000010122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247711 (or 247709 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2000010122220 its reverse (222210100002), we get a palindrome (2222220222222).

The spelling of 2000010122220 in words is "two trillion, ten million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 12907 25814 38721 51628 64535 77442 129070 141977 154884 193605 234781 258140 283954 387210 425931 469562 567908 704343 709885 774420 851862 939124 1173905 1408686 1419770 1703724 2129655 2347810 2582591 2817372 2839540 3521715 4259310 4695620 5165182 7043430 7747773 8518620 10330364 12912955 14086860 15495546 25825910 30991092 38738865 51651820 77477730 154955460 3030318367 6060636734 9090955101 12121273468 15151591835 18181910202 30303183670 33333502037 36363820404 45454775505 60606367340 66667004074 90909551010 100000506111 133334008148 166667510185 181819102020 200001012222 333335020370 400002024444 500002530555 666670040740 1000005061110 2000010122220