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20102000002220 = 22529334071006861
BaseRepresentation
bin1001001001000010111001…
…00100011100010010101100
32122011201202221110111011202
410210201130210130102230
510113322344000032340
6110430421544105032
74143215204521433
oct444413444342254
978151687414152
1020102000002220
116450234a41434
122307a9b165178
13b2a7c226b836
144d6d28b7811a
1524cd74983c15
hex12485c91c4ac

20102000002220 has 48 divisors (see below), whose sum is σ = 42370750574208. Its totient is φ = 8010997013760.

The previous prime is 20102000002219. The next prime is 20102000002243. The reversal of 20102000002220 is 2220000020102.

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, 19461590 + ... + 20468450.

It is an arithmetic number, because the mean of its divisors is an integer number (882723970296).

Almost surely, 220102000002220 is an apocalyptic number.

20102000002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102000002220 is an abundant number, since it is smaller than the sum of its proper divisors (22268750571988).

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

20102000002220 is a wasteful number, since it uses less digits than its factorization.

20102000002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010570 (or 1010568 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20102000002220 its reverse (2220000020102), we get a palindrome (22322000022322).

The spelling of 20102000002220 in words is "twenty trillion, one hundred two billion, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 293 586 1172 1465 2930 3407 5860 6814 13628 17035 34070 68140 998251 1006861 1996502 2013722 3993004 4027444 4991255 5034305 9982510 10068610 19965020 20137220 295010273 590020546 1180041092 1475051365 2950102730 3430375427 5900205460 6860750854 13721501708 17151877135 34303754270 68607508540 1005100000111 2010200000222 4020400000444 5025500000555 10051000001110 20102000002220