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20010202020012 = 2233352949733569
BaseRepresentation
bin1001000110010111111001…
…11110111011100010101100
32121211221211101100211010210
410203023330332323202230
510110321343204120022
6110320320534502420
74133455313533311
oct443137476734254
977757741324123
1020010202020012
116415308414736
1222b2140204a10
13b21c52ab4a79
144d26db16ad08
1524a7a084ba0c
hex1232fcfbb8ac

20010202020012 has 24 divisors (see below), whose sum is σ = 46691864858800. Its totient is φ = 6669868271616.

The previous prime is 20010202019999. The next prime is 20010202020013. The reversal of 20010202020012 is 21002020201002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20010202020012.

It is not an unprimeable number, because it can be changed into a prime (20010202020013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24464437 + ... + 25269132.

Almost surely, 220010202020012 is an apocalyptic number.

It is an amenable number.

20010202020012 is an abundant number, since it is smaller than the sum of its proper divisors (26681662838788).

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

20010202020012 is a wasteful number, since it uses less digits than its factorization.

20010202020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49767105 (or 49767103 counting only the distinct ones).

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

Adding to 20010202020012 its reverse (21002020201002), we get a palindrome (41012222221014).

The spelling of 20010202020012 in words is "twenty trillion, ten billion, two hundred two million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 33529 67058 100587 134116 201174 402348 49733569 99467138 149200707 198934276 298401414 596802828 1667516835001 3335033670002 5002550505003 6670067340004 10005101010006 20010202020012