Base | Representation |
---|---|
bin | 10010101010000000… |
… | …100001100011001000 |
3 | 1220201001222210212201 |
4 | 102222000201203020 |
5 | 312011211231240 |
6 | 13111434045544 |
7 | 1306262216023 |
oct | 225200414310 |
9 | 56631883781 |
10 | 20032133320 |
11 | 854a687291 |
12 | 3a708798b4 |
13 | 1b73248934 |
14 | d8068c1ba |
15 | 7c39b6d9a |
hex | 4aa0218c8 |
20032133320 has 32 divisors (see below), whose sum is σ = 45081384120. Its totient is φ = 8011238400.
The previous prime is 20032133299. The next prime is 20032133321. The reversal of 20032133320 is 2333123002.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 18447615684 + 1584517636 = 135822^2 + 39806^2 .
It is not an unprimeable number, because it can be changed into a prime (20032133321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161470 + ... + 257170.
Almost surely, 220032133320 is an apocalyptic number.
20032133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20032133320 is an abundant number, since it is smaller than the sum of its proper divisors (25049250800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20032133320 is a wasteful number, since it uses less digits than its factorization.
20032133320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100945 (or 100941 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20032133320 its reverse (2333123002), we get a palindrome (22365256322).
The spelling of 20032133320 in words is "twenty billion, thirty-two million, one hundred thirty-three thousand, three hundred twenty".
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