Base | Representation |
---|---|
bin | 10010101000010010… |
… | …001110101010100100 |
3 | 1220122001120212102220 |
4 | 102220102032222210 |
5 | 311431311021012 |
6 | 13104522232340 |
7 | 1305461365020 |
oct | 225022165244 |
9 | 56561525386 |
10 | 20003220132 |
11 | 8535329395 |
12 | 3a630556b0 |
13 | 1b6a26453c |
14 | d7a8c3380 |
15 | 7c11a508c |
hex | 4a848eaa4 |
20003220132 has 48 divisors (see below), whose sum is σ = 53432924160. Its totient is φ = 5705455392.
The previous prime is 20003220131. The next prime is 20003220137. The reversal of 20003220132 is 23102230002.
It is not an unprimeable number, because it can be changed into a prime (20003220131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153532 + ... + 252147.
It is an arithmetic number, because the mean of its divisors is an integer number (1113185920).
Almost surely, 220003220132 is an apocalyptic number.
It is an amenable number.
20003220132 is an abundant number, since it is smaller than the sum of its proper divisors (33429704028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20003220132 is a wasteful number, since it uses less digits than its factorization.
20003220132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 406280 (or 406278 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20003220132 its reverse (23102230002), we get a palindrome (43105450134).
The spelling of 20003220132 in words is "twenty billion, three million, two hundred twenty thousand, one hundred thirty-two".
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