Base | Representation |
---|---|
bin | 10010101001010010… |
… | …001111110110011100 |
3 | 1220200020011111010010 |
4 | 102221102033312130 |
5 | 312000110032304 |
6 | 13110322043220 |
7 | 1306054132236 |
oct | 225122176634 |
9 | 56606144103 |
10 | 20020002204 |
11 | 8543850a74 |
12 | 3a687a9510 |
13 | 1b7088c067 |
14 | d7cc11256 |
15 | 7c28bc789 |
hex | 4a948fd9c |
20020002204 has 12 divisors (see below), whose sum is σ = 46713338504. Its totient is φ = 6673334064.
The previous prime is 20020002203. The next prime is 20020002241. The reversal of 20020002204 is 40220002002.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1668333517 = 20020002204 / (2 + 0 + 0 + 2 + 0 + 0 + 0 + 2 + 2 + 0 + 4).
It is a self number, because there is not a number n which added to its sum of digits gives 20020002204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20020002203) 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, 834166747 + ... + 834166770.
Almost surely, 220020002204 is an apocalyptic number.
It is an amenable number.
20020002204 is an abundant number, since it is smaller than the sum of its proper divisors (26693336300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020002204 is a wasteful number, since it uses less digits than its factorization.
20020002204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1668333524 (or 1668333522 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 12.
Adding to 20020002204 its reverse (40220002002), we get a palindrome (60240004206).
The spelling of 20020002204 in words is "twenty billion, twenty million, two thousand, two hundred four".
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