Base | Representation |
---|---|
bin | 10010101001010100… |
… | …010101001001110000 |
3 | 1220200021012020002111 |
4 | 102221110111021300 |
5 | 312000230020313 |
6 | 13110341455104 |
7 | 1306061565133 |
oct | 225124251160 |
9 | 56607166074 |
10 | 20020548208 |
11 | 8544094211 |
12 | 3a68a11494 |
13 | 1b70a2073b |
14 | d7cd1421a |
15 | 7c297943d |
hex | 4a9515270 |
20020548208 has 20 divisors (see below), whose sum is σ = 38827394848. Its totient is φ = 10000575360.
The previous prime is 20020548203. The next prime is 20020548211. The reversal of 20020548208 is 80284502002.
It is a super-2 number, since 2×200205482082 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20020548208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20020548203) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589128 + ... + 622183.
Almost surely, 220020548208 is an apocalyptic number.
It is an amenable number.
20020548208 is a deficient number, since it is larger than the sum of its proper divisors (18806846640).
20020548208 is a wasteful number, since it uses less digits than its factorization.
20020548208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1212352 (or 1212346 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 31.
The spelling of 20020548208 in words is "twenty billion, twenty million, five hundred forty-eight thousand, two hundred eight".
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