Base | Representation |
---|---|
bin | 10010110100001000… |
… | …100100001010010100 |
3 | 1221010220122121110000 |
4 | 102310020210022110 |
5 | 312333203411312 |
6 | 13140343131300 |
7 | 1313424165024 |
oct | 226410441224 |
9 | 57126577400 |
10 | 20202013332 |
11 | 8627567696 |
12 | 3ab9743b30 |
13 | 1b9c4b8457 |
14 | d9906da84 |
15 | 7d3871adc |
hex | 4b4224294 |
20202013332 has 60 divisors (see below), whose sum is σ = 52835138356. Its totient is φ = 6731061120.
The previous prime is 20202013331. The next prime is 20202013373. The reversal of 20202013332 is 23331020202.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 322705296 + 19879308036 = 17964^2 + 140994^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20202013331) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 804438 + ... + 829170.
Almost surely, 220202013332 is an apocalyptic number.
It is an amenable number.
20202013332 is an abundant number, since it is smaller than the sum of its proper divisors (32633125024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202013332 is a wasteful number, since it uses less digits than its factorization.
20202013332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27270 (or 27259 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20202013332 its reverse (23331020202), we get a palindrome (43533033534).
The spelling of 20202013332 in words is "twenty billion, two hundred two million, thirteen thousand, three hundred thirty-two".
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