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20201011001101 = 795323991262269
BaseRepresentation
bin1001001011111011010100…
…00101011011011100001101
32122112012100012010100221101
410211331222011123130031
510121433132304013401
6110544114421303101
74153321612235650
oct445755205333415
978465305110841
1020201011001101
116489223086337
122323111864a91
13b36c40bc24c8
144dba3c711897
1525071be61101
hex125f6a15b70d

20201011001101 has 16 divisors (see below), whose sum is σ = 23120747136000. Its totient is φ = 17289759408768.

The previous prime is 20201011001057. The next prime is 20201011001117. The reversal of 20201011001101 is 10110011010202.

It is not a de Polignac number, because 20201011001101 - 231 = 20198863517453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201011001191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15372595 + ... + 16634863.

It is an arithmetic number, because the mean of its divisors is an integer number (1445046696000).

Almost surely, 220201011001101 is an apocalyptic number.

It is an amenable number.

20201011001101 is a deficient number, since it is larger than the sum of its proper divisors (2919736134899).

20201011001101 is a wasteful number, since it uses less digits than its factorization.

20201011001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265628.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20201011001101 its reverse (10110011010202), we get a palindrome (30311022011303).

The spelling of 20201011001101 in words is "twenty trillion, two hundred one billion, eleven million, one thousand, one hundred one".

Divisors: 1 7 953 2399 6671 16793 1262269 2286247 8835883 16003729 1202942357 3028183331 8420596499 21197283317 2885858714443 20201011001101