Base | Representation |
---|---|
bin | 11101011001010011110… |
… | …001111110101110010100 |
3 | 21011010002002002112010221 |
4 | 131121103301332232110 |
5 | 231044020300140040 |
6 | 4143554344524124 |
7 | 265641323506555 |
oct | 35312361765624 |
9 | 7133062075127 |
10 | 2020040240020 |
11 | 709770064820 |
12 | 2875b7480644 |
13 | 11864838ab6a |
14 | 6dab024c32c |
15 | 3782c54674a |
hex | 1d653c7eb94 |
2020040240020 has 48 divisors (see below), whose sum is σ = 4650983568000. Its totient is φ = 730868814720.
The previous prime is 2020040239981. The next prime is 2020040240021. The reversal of 2020040240020 is 200420400202.
It is a junction number, because it is equal to n+sod(n) for n = 2020040239976 and 2020040240003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020040240021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23026575 + ... + 23114134.
It is an arithmetic number, because the mean of its divisors is an integer number (96895491000).
Almost surely, 22020040240020 is an apocalyptic number.
2020040240020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2020040240020 is an abundant number, since it is smaller than the sum of its proper divisors (2630943327980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020040240020 is a wasteful number, since it uses less digits than its factorization.
2020040240020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46140928 (or 46140926 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 16.
Adding to 2020040240020 its reverse (200420400202), we get a palindrome (2220460640222).
The spelling of 2020040240020 in words is "two trillion, twenty billion, forty million, two hundred forty thousand, twenty".
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