Base | Representation |
---|---|
bin | 10010101010000101… |
… | …000101101101100100 |
3 | 1220201011020121102221 |
4 | 102222011011231210 |
5 | 312012013030040 |
6 | 13111515442124 |
7 | 1306305331654 |
oct | 225205055544 |
9 | 56634217387 |
10 | 20033330020 |
11 | 85503243a0 |
12 | 3a71156344 |
13 | 1b73577542 |
14 | d808c0364 |
15 | 7c3b5174a |
hex | 4aa145b64 |
20033330020 has 96 divisors (see below), whose sum is σ = 46351823616. Its totient is φ = 7212633600.
The previous prime is 20033330003. The next prime is 20033330021. The reversal of 20033330020 is 2003333002.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20033329976 and 20033330003.
It is not an unprimeable number, because it can be changed into a prime (20033330021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10763890 + ... + 10765750.
It is an arithmetic number, because the mean of its divisors is an integer number (482831496).
Almost surely, 220033330020 is an apocalyptic number.
20033330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20033330020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23175911808).
20033330020 is an abundant number, since it is smaller than the sum of its proper divisors (26318493596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20033330020 is a wasteful number, since it uses less digits than its factorization.
20033330020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2341 (or 2339 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 16.
Adding to 20033330020 its reverse (2003333002), we get a palindrome (22036663022).
It can be divided in two parts, 20033 and 330020, that added together give a palindrome (350053).
The spelling of 20033330020 in words is "twenty billion, thirty-three million, three hundred thirty thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •