Base | Representation |
---|---|
bin | 111100001100111… |
… | …0001100011101001 |
3 | 12012210000202221100 |
4 | 1320121301203221 |
5 | 13114111210010 |
6 | 532240032013 |
7 | 101025623304 |
oct | 17031614351 |
9 | 5183022840 |
10 | 2020022505 |
11 | 947282896 |
12 | 484602609 |
13 | 262667ab7 |
14 | 1523cbb3b |
15 | bc51a2c0 |
hex | 786718e9 |
2020022505 has 24 divisors (see below), whose sum is σ = 3534103872. Its totient is φ = 1067274144.
The previous prime is 2020022483. The next prime is 2020022539. The reversal of 2020022505 is 5052200202.
It is not a de Polignac number, because 2020022505 - 26 = 2020022441 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204949 + ... + 214578.
It is an arithmetic number, because the mean of its divisors is an integer number (147254328).
Almost surely, 22020022505 is an apocalyptic number.
It is an amenable number.
2020022505 is a deficient number, since it is larger than the sum of its proper divisors (1514081367).
2020022505 is a wasteful number, since it uses less digits than its factorization.
2020022505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 419645 (or 419642 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 2020022505 is about 44944.6604726301. The cubic root of 2020022505 is about 1264.1115593549. Note that the first 3 decimals are identical.
Adding to 2020022505 its reverse (5052200202), we get a palindrome (7072222707).
The spelling of 2020022505 in words is "two billion, twenty million, twenty-two thousand, five hundred five".
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