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20200021011112 = 2311887212417147
BaseRepresentation
bin1001001011111001011110…
…00100111010101010101000
32122112002210012021122222111
410211330233010322222220
510121424120334323422
6110543432254332104
74153255231405525
oct445745704725250
978462705248874
1020200021011112
11648886527a198
122322a961ba034
13b36b13a7b607
144db98704c14c
152506b00aaa77
hex125f2f13aaa8

20200021011112 has 16 divisors (see below), whose sum is σ = 37878225831360. Its totient is φ = 10099160789424.

The previous prime is 20200021010999. The next prime is 20200021011133. The reversal of 20200021011112 is 21111012000202.

It is a junction number, because it is equal to n+sod(n) for n = 20200021011092 and 20200021011101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106113478 + ... + 106303669.

It is an arithmetic number, because the mean of its divisors is an integer number (2367389114460).

Almost surely, 220200021011112 is an apocalyptic number.

It is an amenable number.

20200021011112 is a deficient number, since it is larger than the sum of its proper divisors (17678204820248).

20200021011112 is a wasteful number, since it uses less digits than its factorization.

20200021011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212429040 (or 212429036 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20200021011112 its reverse (21111012000202), we get a palindrome (41311033011314).

The spelling of 20200021011112 in words is "twenty trillion, two hundred billion, twenty-one million, eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 11887 23774 47548 95096 212417147 424834294 849668588 1699337176 2525002626389 5050005252778 10100010505556 20200021011112