Base | Representation |
---|---|
bin | 10010111101110100… |
… | …100000011100111100 |
3 | 1221120020110011212022 |
4 | 102331310200130330 |
5 | 313201304334140 |
6 | 13204430255312 |
7 | 1320436425026 |
oct | 227564403474 |
9 | 57506404768 |
10 | 20364527420 |
11 | 8700276956 |
12 | 3b44057538 |
13 | 1bc7079333 |
14 | db2895016 |
15 | 7e2c740b5 |
hex | 4bdd2073c |
20364527420 has 48 divisors (see below), whose sum is σ = 43110156096. Its totient is φ = 8080320000.
The previous prime is 20364527419. The next prime is 20364527459. The reversal of 20364527420 is 2472546302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2293790 + ... + 2302650.
It is an arithmetic number, because the mean of its divisors is an integer number (898128252).
Almost surely, 220364527420 is an apocalyptic number.
20364527420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20364527420 is an abundant number, since it is smaller than the sum of its proper divisors (22745628676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20364527420 is a wasteful number, since it uses less digits than its factorization.
20364527420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9782 (or 9780 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 35.
The spelling of 20364527420 in words is "twenty billion, three hundred sixty-four million, five hundred twenty-seven thousand, four hundred twenty".
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