Base | Representation |
---|---|
bin | 10010110100000010… |
… | …001001001111101101 |
3 | 1221010210111002122120 |
4 | 102310002021033231 |
5 | 312332241031341 |
6 | 13140243103153 |
7 | 1313403655011 |
oct | 226402111755 |
9 | 57123432576 |
10 | 20200330221 |
11 | 8626618095 |
12 | 3ab9071ab9 |
13 | 1b9c049326 |
14 | d98b52541 |
15 | 7d363d066 |
hex | 4b40893ed |
20200330221 has 32 divisors (see below), whose sum is σ = 28916939520. Its totient is φ = 12511910400.
The previous prime is 20200330211. The next prime is 20200330243. The reversal of 20200330221 is 12203300202.
It is not a de Polignac number, because 20200330221 - 225 = 20166775789 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20200330221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20200330201) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632251 + ... + 663431.
It is an arithmetic number, because the mean of its divisors is an integer number (903654360).
Almost surely, 220200330221 is an apocalyptic number.
It is an amenable number.
20200330221 is a deficient number, since it is larger than the sum of its proper divisors (8716609299).
20200330221 is a wasteful number, since it uses less digits than its factorization.
20200330221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31477.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20200330221 its reverse (12203300202), we get a palindrome (32403630423).
The spelling of 20200330221 in words is "twenty billion, two hundred million, three hundred thirty thousand, two hundred twenty-one".
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