Base | Representation |
---|---|
bin | 10010101000000111… |
… | …001011001010101101 |
3 | 1220121212010122020212 |
4 | 102220013023022231 |
5 | 311430040302341 |
6 | 13104340152205 |
7 | 1305424635215 |
oct | 225007131255 |
9 | 56555118225 |
10 | 20000322221 |
11 | 853372a120 |
12 | 3a62098665 |
13 | 1b6978b4b9 |
14 | d7a36b245 |
15 | 7c0cd15eb |
hex | 4a81cb2ad |
20000322221 has 8 divisors (see below), whose sum is σ = 22767165504. Its totient is φ = 17391584320.
The previous prime is 20000322211. The next prime is 20000322229. The reversal of 20000322221 is 12222300002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20000322221 - 214 = 20000305837 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20000322196 and 20000322205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20000322229) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39526076 + ... + 39526581.
It is an arithmetic number, because the mean of its divisors is an integer number (2845895688).
Almost surely, 220000322221 is an apocalyptic number.
It is an amenable number.
20000322221 is a deficient number, since it is larger than the sum of its proper divisors (2766843283).
20000322221 is a wasteful number, since it uses less digits than its factorization.
20000322221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79052691.
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 20000322221 its reverse (12222300002), we get a palindrome (32222622223).
The spelling of 20000322221 in words is "twenty billion, three hundred twenty-two thousand, two hundred twenty-one".
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