Base | Representation |
---|---|
bin | 100110001011… |
… | …1111011100000 |
3 | 1101200011121001 |
4 | 1030113323200 |
5 | 20111132320 |
6 | 1553041344 |
7 | 332114101 |
oct | 114277340 |
9 | 41604531 |
10 | 20020960 |
11 | 10335053 |
12 | 6856254 |
13 | 41bcb2b |
14 | 29323a8 |
15 | 1b5720a |
hex | 1317ee0 |
20020960 has 24 divisors (see below), whose sum is σ = 47299896. Its totient is φ = 8008320.
The previous prime is 20020943. The next prime is 20021021. The reversal of 20020960 is 6902002.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62406 + ... + 62725.
It is an arithmetic number, because the mean of its divisors is an integer number (1970829).
Almost surely, 220020960 is an apocalyptic number.
20020960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20020960 is an abundant number, since it is smaller than the sum of its proper divisors (27278936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020960 is a wasteful number, since it uses less digits than its factorization.
20020960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125146 (or 125138 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 20020960 is about 4474.4787405909. The cubic root of 20020960 is about 271.5365522091.
Adding to 20020960 its reverse (6902002), we get a palindrome (26922962).
The spelling of 20020960 in words is "twenty million, twenty thousand, nine hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •