| Base | Representation |
|---|---|
| bin | 10010101001101011… |
| … | …000110000010010000 |
| 3 | 1220200200102101211000 |
| 4 | 102221223012002100 |
| 5 | 312003241444400 |
| 6 | 13111113422000 |
| 7 | 1306163400600 |
| oct | 225153060220 |
| 9 | 56620371730 |
| 10 | 20026515600 |
| 11 | 854749a643 |
| 12 | 3a6aa0a900 |
| 13 | 1b7202c940 |
| 14 | d7da28c00 |
| 15 | 7c3257600 |
| hex | 4a9ac6090 |
20026515600 has 1440 divisors, whose sum is σ = 92761562880. Its totient is φ = 4064256000.
The previous prime is 20026515599. The next prime is 20026515601. The reversal of 20026515600 is 651562002.
20026515600 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 6 + 51 + 5 + 600 = 666.
It is an interprime number because it is at equal distance from previous prime (20026515599) and next prime (20026515601).
It is a super-3 number, since 3×200265156003 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20026515601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 282063565 + ... + 282063635.
It is an arithmetic number, because the mean of its divisors is an integer number (64417752).
Almost surely, 220026515600 is an apocalyptic number.
20026515600 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 20026515600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46380781440).
20026515600 is an abundant number, since it is smaller than the sum of its proper divisors (72735047280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20026515600 is a wasteful number, since it uses less digits than its factorization.
20026515600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166 (or 142 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
The spelling of 20026515600 in words is "twenty billion, twenty-six million, five hundred fifteen thousand, six hundred".
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