Base | Representation |
---|---|
bin | 10010101001100011… |
… | …000111011001011000 |
3 | 1220200112111010201020 |
4 | 102221203013121120 |
5 | 312002223032044 |
6 | 13111000522440 |
7 | 1306136536653 |
oct | 225143073130 |
9 | 56615433636 |
10 | 20024424024 |
11 | 85462a1170 |
12 | 3a6a180420 |
13 | 1b71779917 |
14 | d7d64289a |
15 | 7c2e92a19 |
hex | 4a98c7658 |
20024424024 has 128 divisors (see below), whose sum is σ = 55282106880. Its totient is φ = 5993856000.
The previous prime is 20024424019. The next prime is 20024424029. The reversal of 20024424024 is 42042442002.
It is an interprime number because it is at equal distance from previous prime (20024424019) and next prime (20024424029).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 20024423985 and 20024424003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20024424029) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19384212 + ... + 19385244.
It is an arithmetic number, because the mean of its divisors is an integer number (431891460).
Almost surely, 220024424024 is an apocalyptic number.
20024424024 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 20024424024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27641053440).
20024424024 is an abundant number, since it is smaller than the sum of its proper divisors (35257682856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20024424024 is a wasteful number, since it uses less digits than its factorization.
20024424024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1881 (or 1877 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 24.
Adding to 20024424024 its reverse (42042442002), we get a palindrome (62066866026).
The spelling of 20024424024 in words is "twenty billion, twenty-four million, four hundred twenty-four thousand, twenty-four".
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