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20102220122000 = 245313176726031
BaseRepresentation
bin1001001001000011010011…
…01100001000011110010000
32122011202100021122201202012
410210201221230020132100
510113323321322401000
6110430455450042052
74143223516514162
oct444415154103620
978152307581665
1020102220122000
116450338216705
122307b40a19328
13b2a828a4b923
144d6d4a0b6932
1524cd88e64735
hex124869b08790

20102220122000 has 80 divisors (see below), whose sum is σ = 48978215979264. Its totient is φ = 7979507120000.

The previous prime is 20102220121993. The next prime is 20102220122057. The reversal of 20102220122000 is 22102220102.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38101016 + ... + 38625015.

Almost surely, 220102220122000 is an apocalyptic number.

20102220122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102220122000 is an abundant number, since it is smaller than the sum of its proper divisors (28875995857264).

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

20102220122000 is a wasteful number, since it uses less digits than its factorization.

20102220122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76726185 (or 76726169 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20102220122000 its reverse (22102220102), we get a palindrome (20124322342102).

The spelling of 20102220122000 in words is "twenty trillion, one hundred two billion, two hundred twenty million, one hundred twenty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 131 200 250 262 400 500 524 655 1000 1048 1310 2000 2096 2620 3275 5240 6550 10480 13100 16375 26200 32750 52400 65500 131000 262000 76726031 153452062 306904124 383630155 613808248 767260310 1227616496 1534520620 1918150775 3069041240 3836301550 6138082480 7672603100 9590753875 10051110061 15345206200 19181507750 20102220122 30690412400 38363015500 40204440244 50255550305 76726031000 80408880488 100511100610 153452062000 160817760976 201022201220 251277751525 402044402440 502555503050 804088804880 1005111006100 1256388757625 2010222012200 2512777515250 4020444024400 5025555030500 10051110061000 20102220122000