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20331122033 = 73377973699
BaseRepresentation
bin10010111011110101…
…000100110101110001
31221110220121000021202
4102323311010311301
5313114231401113
613201234300545
71316552454155
oct227365046561
957426530252
1020331122033
11869342a9a2
123b34a27755
131bc0181331
14dac27b065
157ded76258
hex4bbd44d71

20331122033 has 8 divisors (see below), whose sum is σ = 20615364000. Its totient is φ = 20047035168.

The previous prime is 20331122029. The next prime is 20331122039. The reversal of 20331122033 is 33022113302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20331122033 - 22 = 20331122029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20331121996 and 20331122014.

It is not an unprimeable number, because it can be changed into a prime (20331122039) 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 7 ways as a sum of consecutive naturals, for example, 239018 + ... + 312716.

It is an arithmetic number, because the mean of its divisors is an integer number (2576920500).

Almost surely, 220331122033 is an apocalyptic number.

It is an amenable number.

20331122033 is a deficient number, since it is larger than the sum of its proper divisors (284241967).

20331122033 is an equidigital number, since it uses as much as digits as its factorization.

20331122033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77551.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20331122033 its reverse (33022113302), we get a palindrome (53353235335).

The spelling of 20331122033 in words is "twenty billion, three hundred thirty-one million, one hundred twenty-two thousand, thirty-three".

Divisors: 1 73 3779 73699 275867 5380027 278508521 20331122033