Base | Representation |
---|---|
bin | 10010101001011110… |
… | …111001111010011111 |
3 | 1220200110102001120201 |
4 | 102221132321322133 |
5 | 312001432221343 |
6 | 13110521124331 |
7 | 1306124261614 |
oct | 225136717237 |
9 | 56613361521 |
10 | 20023320223 |
11 | 8545707935 |
12 | 3a699296a7 |
13 | 1b7148139a |
14 | d7d43650b |
15 | 7c2d2594d |
hex | 4a97b9e9f |
20023320223 has 2 divisors, whose sum is σ = 20023320224. Its totient is φ = 20023320222.
The previous prime is 20023320179. The next prime is 20023320227. The reversal of 20023320223 is 32202332002.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20023320223 - 213 = 20023312031 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20023320223.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20023320227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011660111 + 10011660112.
It is an arithmetic number, because the mean of its divisors is an integer number (10011660112).
Almost surely, 220023320223 is an apocalyptic number.
20023320223 is a deficient number, since it is larger than the sum of its proper divisors (1).
20023320223 is an equidigital number, since it uses as much as digits as its factorization.
20023320223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 19.
Adding to 20023320223 its reverse (32202332002), we get a palindrome (52225652225).
The spelling of 20023320223 in words is "twenty billion, twenty-three million, three hundred twenty thousand, two hundred twenty-three".
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