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20201200201200 = 2435231753105153
BaseRepresentation
bin1001001011111011101010…
…10111001010110111110000
32122112012211101010201200110
410211331311113022313300
510121434024222414300
6110544145300421320
74153326400352514
oct445756527126760
978465741121613
1020201200201200
11648930a962157
1223231650a7840
13b36c71167b25
144dba598c2144
1525072d885550
hex125f755cadf0

20201200201200 has 120 divisors (see below), whose sum is σ = 64915315408368. Its totient is φ = 5369992970240.

The previous prime is 20201200201187. The next prime is 20201200201207. The reversal of 20201200201200 is 210200210202.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201200201207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26172177 + ... + 26932976.

Almost surely, 220201200201200 is an apocalyptic number.

20201200201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201200201200 is an abundant number, since it is smaller than the sum of its proper divisors (44714115207168).

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

20201200201200 is a wasteful number, since it uses less digits than its factorization.

20201200201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53105491 (or 53105480 counting only the distinct ones).

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

Adding to 20201200201200 its reverse (210200210202), we get a palindrome (20411400411402).

The spelling of 20201200201200 in words is "twenty trillion, two hundred one billion, two hundred million, two hundred one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 317 400 600 634 951 1200 1268 1585 1902 2536 3170 3804 4755 5072 6340 7608 7925 9510 12680 15216 15850 19020 23775 25360 31700 38040 47550 63400 76080 95100 126800 190200 380400 53105153 106210306 159315459 212420612 265525765 318630918 424841224 531051530 637261836 796577295 849682448 1062103060 1274523672 1327628825 1593154590 2124206120 2549047344 2655257650 3186309180 3982886475 4248412240 5310515300 6372618360 7965772950 10621030600 12745236720 15931545900 16834333501 21242061200 31863091800 33668667002 50503000503 63726183600 67337334004 84171667505 101006001006 134674668008 168343335010 202012002012 252515002515 269349336016 336686670020 404024004024 420858337525 505030005030 673373340040 808048008048 841716675050 1010060010060 1262575012575 1346746680080 1683433350100 2020120020120 2525150025150 3366866700200 4040240040240 5050300050300 6733733400400 10100600100600 20201200201200