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20201001120112 = 2417831249716413
BaseRepresentation
bin1001001011111011010010…
…11111101111000101110000
32122112012022111112100202211
410211331221133233011300
510121433122241320422
6110544113425421504
74153321432243261
oct445755137570560
978465274470684
1020201001120112
11648921854762a
12232310a49a894
13b36c3bb42b77
144dba3b29c968
1525071b15d577
hex125f697ef170

20201001120112 has 80 divisors (see below), whose sum is σ = 41974696260000. Its totient is φ = 9384286519296.

The previous prime is 20201001120107. The next prime is 20201001120161. The reversal of 20201001120112 is 21102110010202.

It is a junction number, because it is equal to n+sod(n) for n = 20201001120092 and 20201001120101.

It is a congruent number.

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, 27839218 + ... + 28555630.

It is an arithmetic number, because the mean of its divisors is an integer number (524683703250).

Almost surely, 220201001120112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201001120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20987348130000).

20201001120112 is an abundant number, since it is smaller than the sum of its proper divisors (21773695139888).

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

20201001120112 is a wasteful number, since it uses less digits than its factorization.

20201001120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717770 (or 717764 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20201001120112 its reverse (21102110010202), we get a palindrome (41303111130314).

The spelling of 20201001120112 in words is "twenty trillion, two hundred one billion, one million, one hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 17 34 68 83 136 166 272 332 664 1249 1328 1411 2498 2822 4996 5644 9992 11288 19984 21233 22576 42466 84932 103667 169864 207334 339728 414668 716413 829336 1432826 1658672 1762339 2865652 3524678 5731304 7049356 11462608 12179021 14098712 24358042 28197424 48716084 59462279 97432168 118924558 194864336 237849116 475698232 894799837 951396464 1010858743 1789599674 2021717486 3579199348 4043434972 7158398696 8086869944 14316797392 15211597229 16173739888 30423194458 60846388916 74268386471 121692777832 148536772942 243385555664 297073545884 594147091768 1188294183536 1262562570007 2525125140014 5050250280028 10100500560056 20201001120112