Base | Representation |
---|---|
bin | 10010101000000110… |
… | …000100100011111100 |
3 | 1220121211120221112201 |
4 | 102220012010203330 |
5 | 311430002024040 |
6 | 13104330041244 |
7 | 1305422322112 |
oct | 225006044374 |
9 | 56554527481 |
10 | 20000033020 |
11 | 8533551910 |
12 | 3a61b79224 |
13 | 1b696b9986 |
14 | d7a2d3ab2 |
15 | 7c0c75a9a |
hex | 4a81848fc |
20000033020 has 48 divisors (see below), whose sum is σ = 46071488736. Its totient is φ = 7232544000.
The previous prime is 20000032967. The next prime is 20000033033. The reversal of 20000033020 is 2033000002.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 20000032988 and 20000033006.
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, 211311 + ... + 290950.
It is an arithmetic number, because the mean of its divisors is an integer number (959822682).
Almost surely, 220000033020 is an apocalyptic number.
20000033020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20000033020 is an abundant number, since it is smaller than the sum of its proper divisors (26071455716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20000033020 is a wasteful number, since it uses less digits than its factorization.
20000033020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 502462 (or 502460 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 10.
Adding to 20000033020 its reverse (2033000002), we get a palindrome (22033033022).
The spelling of 20000033020 in words is "twenty billion, thirty-three thousand, twenty".
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