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20010212011202 = 2721012021641949
BaseRepresentation
bin1001000110010111111011…
…00101000010110011000010
32121211221212002011102110212
410203023331211002303002
510110321403233324302
6110320321532554122
74133455464465200
oct443137545026302
977757762142425
1020010212011202
116415313019216
1222b2143622942
13b21c54ba260a
144d26dc60c070
1524a7a1672052
hex1232fd942cc2

20010212011202 has 24 divisors (see below), whose sum is σ = 35261478891900. Its totient is φ = 8490896181600.

The previous prime is 20010212011201. The next prime is 20010212011211. The reversal of 20010212011202 is 20211021201002.

It can be written as a sum of positive squares in 2 ways, for example, as 17959957450561 + 2050254560641 = 4237919^2 + 1431871^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20010212011201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010811077 + ... + 1010830872.

Almost surely, 220010212011202 is an apocalyptic number.

20010212011202 is a deficient number, since it is larger than the sum of its proper divisors (15251266880698).

20010212011202 is a wasteful number, since it uses less digits than its factorization.

20010212011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021642066 (or 2021642059 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20010212011202 its reverse (20211021201002), we get a palindrome (40221233212204).

The spelling of 20010212011202 in words is "twenty trillion, ten billion, two hundred twelve million, eleven thousand, two hundred two".

Divisors: 1 2 7 14 49 98 101 202 707 1414 4949 9898 2021641949 4043283898 14151493643 28302987286 99060455501 198120911002 204185836849 408371673698 1429300857943 2858601715886 10005106005601 20010212011202