| Base | Representation |
|---|---|
| bin | 1001001001101010000000… |
| … | …11101101011000010000100 |
| 3 | 2122020201222200212200000100 |
| 4 | 10210311000131223002010 |
| 5 | 10114143402321131040 |
| 6 | 110444214033444100 |
| 7 | 4144560531601563 |
| oct | 444650035530204 |
| 9 | 78221880780010 |
| 10 | 20123003302020 |
| 11 | 6459132838443 |
| 12 | 230bb81110630 |
| 13 | b2c78b76a598 |
| 14 | 4d7d5c3c9bda |
| 15 | 24d6a3833b30 |
| hex | 124d4076b084 |
20123003302020 has 144 divisors (see below), whose sum is σ = 61389097241472. Its totient is φ = 5335502814720.
The previous prime is 20123003302019. The next prime is 20123003302057. The reversal of 20123003302020 is 2020330032102.
It is a happy number.
20123003302020 is a `hidden beast` number, since 2 + 0 + 12 + 300 + 330 + 2 + 0 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20123003301984 and 20123003302002.
It is an unprimeable number.
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, 24352440 + ... + 25165200.
It is an arithmetic number, because the mean of its divisors is an integer number (426313175288).
Almost surely, 220123003302020 is an apocalyptic number.
20123003302020 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 20123003302020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30694548620736).
20123003302020 is an abundant number, since it is smaller than the sum of its proper divisors (41266093939452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20123003302020 is a wasteful number, since it uses less digits than its factorization.
20123003302020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 813562 (or 813557 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20123003302020 its reverse (2020330032102), we get a palindrome (22143333334122).
The spelling of 20123003302020 in words is "twenty trillion, one hundred twenty-three billion, three million, three hundred two thousand, twenty".
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