Base | Representation |
---|---|
bin | 10010101001011010… |
… | …011000001001010011 |
3 | 1220200101011202110202 |
4 | 102221122120021103 |
5 | 312001131231311 |
6 | 13110435445415 |
7 | 1306111216364 |
oct | 225132301123 |
9 | 56611152422 |
10 | 20022133331 |
11 | 8544a77132 |
12 | 3a6945686b |
13 | 1b71157095 |
14 | d7d207b6b |
15 | 7c2b8de3b |
hex | 4a9698253 |
20022133331 has 2 divisors, whose sum is σ = 20022133332. Its totient is φ = 20022133330.
The previous prime is 20022133319. The next prime is 20022133349. The reversal of 20022133331 is 13333122002.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20022133331 is a prime.
It is a super-2 number, since 2×200221333312 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (20022133361) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011066665 + 10011066666.
It is an arithmetic number, because the mean of its divisors is an integer number (10011066666).
Almost surely, 220022133331 is an apocalyptic number.
20022133331 is a deficient number, since it is larger than the sum of its proper divisors (1).
20022133331 is an equidigital number, since it uses as much as digits as its factorization.
20022133331 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 20022133331 its reverse (13333122002), we get a palindrome (33355255333).
The spelling of 20022133331 in words is "twenty billion, twenty-two million, one hundred thirty-three thousand, three hundred thirty-one".
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