Base | Representation |
---|---|
bin | 10010110100000000… |
… | …111101101010010001 |
3 | 1221010202220100222001 |
4 | 102310000331222101 |
5 | 312332201130000 |
6 | 13140232314001 |
7 | 1313401225261 |
oct | 226400755221 |
9 | 57122810861 |
10 | 20200020625 |
11 | 8626426524 |
12 | 3ab8b42901 |
13 | 1b9bc6b435 |
14 | d98ab17a1 |
15 | 7d35cb46a |
hex | 4b403da91 |
20200020625 has 40 divisors (see below), whose sum is σ = 25530677568. Its totient is φ = 15976392000.
The previous prime is 20200020623. The next prime is 20200020647. The reversal of 20200020625 is 52602000202.
It is not a de Polignac number, because 20200020625 - 21 = 20200020623 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20200020623) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24543964 + ... + 24544786.
Almost surely, 220200020625 is an apocalyptic number.
20200020625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20200020625 is a deficient number, since it is larger than the sum of its proper divisors (5330656943).
20200020625 is an equidigital number, since it uses as much as digits as its factorization.
20200020625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1243 (or 1228 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
Adding to 20200020625 its reverse (52602000202), we get a palindrome (72802020827).
The spelling of 20200020625 in words is "twenty billion, two hundred million, twenty thousand, six hundred twenty-five".
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