Base | Representation |
---|---|
bin | 10010101001010011… |
… | …000000011010100000 |
3 | 1220200020112120222101 |
4 | 102221103000122200 |
5 | 312000132413440 |
6 | 13110330220144 |
7 | 1306055621203 |
oct | 225123003240 |
9 | 56606476871 |
10 | 20020201120 |
11 | 8543977467 |
12 | 3a68884654 |
13 | 1b7092b76a |
14 | d7cc6393a |
15 | 7c290b69a |
hex | 4a94c06a0 |
20020201120 has 96 divisors (see below), whose sum is σ = 47910638160. Its totient is φ = 7904624640.
The previous prime is 20020201099. The next prime is 20020201183. The reversal of 20020201120 is 2110202002.
It can be written as a sum of positive squares in 8 ways, for example, as 7671657744 + 12348543376 = 87588^2 + 111124^2 .
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 = 20020201097 and 20020201106.
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, 14709240 + ... + 14710600.
Almost surely, 220020201120 is an apocalyptic number.
20020201120 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 20020201120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23955319080).
20020201120 is an abundant number, since it is smaller than the sum of its proper divisors (27890437040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020201120 is a wasteful number, since it uses less digits than its factorization.
20020201120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2498 (or 2490 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 20020201120 its reverse (2110202002), we get a palindrome (22130403122).
The spelling of 20020201120 in words is "twenty billion, twenty million, two hundred one thousand, one hundred twenty".
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