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20010222112 = 253659170899
BaseRepresentation
bin10010101000101100…
…111100001000100000
31220122112202121100111
4102220230330020200
5311440104101422
613105332301104
71305605036656
oct225054741040
956575677314
1020010222112
118539281051
123a65471794
131b6b84661a
14d7b7c6dd6
157c1ad9a77
hex4a8b3c220

20010222112 has 24 divisors (see below), whose sum is σ = 39406122000. Its totient is φ = 10002318144.

The previous prime is 20010222109. The next prime is 20010222121. The reversal of 20010222112 is 21122201002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20010222092 and 20010222101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31639 + ... + 202537.

It is an arithmetic number, because the mean of its divisors is an integer number (1641921750).

Almost surely, 220010222112 is an apocalyptic number.

It is an amenable number.

20010222112 is a deficient number, since it is larger than the sum of its proper divisors (19395899888).

20010222112 is a wasteful number, since it uses less digits than its factorization.

20010222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174568 (or 174560 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20010222112 its reverse (21122201002), we get a palindrome (41132423114).

The spelling of 20010222112 in words is "twenty billion, ten million, two hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 3659 7318 14636 29272 58544 117088 170899 341798 683596 1367192 2734384 5468768 625319441 1250638882 2501277764 5002555528 10005111056 20010222112