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20201200112112 = 243420858335669
BaseRepresentation
bin1001001011111011101010…
…10110110101000111110000
32122112012211100222012110220
410211331311112311013300
510121434024212041422
6110544145254453040
74153326366532005
oct445756526650760
978465740865426
1020201200112112
11648930a901228
122323165064180
13b36c71136406
144dba5989b8ac
1525072d868e5c
hex125f755b51f0

20201200112112 has 20 divisors (see below), whose sum is σ = 52186433623080. Its totient is φ = 6733733370688.

The previous prime is 20201200112069. The next prime is 20201200112131. The reversal of 20201200112112 is 21121100210202.

It is a junction number, because it is equal to n+sod(n) for n = 20201200112091 and 20201200112100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210429167787 + ... + 210429167882.

It is an arithmetic number, because the mean of its divisors is an integer number (2609321681154).

Almost surely, 220201200112112 is an apocalyptic number.

It is an amenable number.

20201200112112 is an abundant number, since it is smaller than the sum of its proper divisors (31985233510968).

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

20201200112112 is a wasteful number, since it uses less digits than its factorization.

20201200112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420858335680 (or 420858335674 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20201200112112 its reverse (21121100210202), we get a palindrome (41322300322314).

The spelling of 20201200112112 in words is "twenty trillion, two hundred one billion, two hundred million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 420858335669 841716671338 1262575007007 1683433342676 2525150014014 3366866685352 5050300028028 6733733370704 10100600056056 20201200112112