Base | Representation |
---|---|
bin | 10010101001101110… |
… | …001011110100110000 |
3 | 1220200201221120010100 |
4 | 102221232023310300 |
5 | 312003443410434 |
6 | 13111143032400 |
7 | 1306203313536 |
oct | 225156136460 |
9 | 56621846110 |
10 | 20027325744 |
11 | 85479a3288 |
12 | 3a6b13b700 |
13 | 1b7225460a |
14 | d7db9a156 |
15 | 7c3367699 |
hex | 4a9b8bd30 |
20027325744 has 240 divisors, whose sum is σ = 60228511200. Its totient is φ = 6193926144.
The previous prime is 20027325743. The next prime is 20027325757. The reversal of 20027325744 is 44752372002.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 20027325699 and 20027325708.
It is not an unprimeable number, because it can be changed into a prime (20027325743) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39346162 + ... + 39346670.
It is an arithmetic number, because the mean of its divisors is an integer number (250952130).
Almost surely, 220027325744 is an apocalyptic number.
20027325744 is a gapful number since it is divisible by the number (24) 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 20027325744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30114255600).
20027325744 is an abundant number, since it is smaller than the sum of its proper divisors (40201185456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20027325744 is a wasteful number, since it uses less digits than its factorization.
20027325744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 812 (or 803 counting only the distinct ones).
The product of its (nonzero) digits is 94080, while the sum is 36.
Adding to 20027325744 its reverse (44752372002), we get a palindrome (64779697746).
The spelling of 20027325744 in words is "twenty billion, twenty-seven million, three hundred twenty-five thousand, seven hundred forty-four".
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