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20201120122112 = 28211373984007
BaseRepresentation
bin1001001011111011100001…
…00101101100010100000000
32122112012121210110021211022
410211331300211230110000
510121433343222401422
6110544133320205012
74153324405610006
oct445756045542400
978465553407738
1020201120122112
116489279737596
122323142309768
13b36c5a6aa757
144dba4cdd8a76
15250726818342
hex125f7096c500

20201120122112 has 36 divisors (see below), whose sum is σ = 40514435554656. Its totient is φ = 10052690081280.

The previous prime is 20201120122111. The next prime is 20201120122171. The reversal of 20201120122112 is 21122102110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201120122111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186937988 + ... + 187046019.

Almost surely, 220201120122112 is an apocalyptic number.

It is an amenable number.

20201120122112 is an abundant number, since it is smaller than the sum of its proper divisors (20313315432544).

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

20201120122112 is an equidigital number, since it uses as much as digits as its factorization.

20201120122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373984234 (or 373984220 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20201120122112 its reverse (21122102110202), we get a palindrome (41323222232314).

The spelling of 20201120122112 in words is "twenty trillion, two hundred one billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 211 256 422 844 1688 3376 6752 13504 27008 54016 373984007 747968014 1495936028 2991872056 5983744112 11967488224 23934976448 47869952896 78910625477 95739905792 157821250954 315642501908 631285003816 1262570007632 2525140015264 5050280030528 10100560061056 20201120122112