Base | Representation |
---|---|
bin | 1001001011111001110011… |
… | …11011101010000001011101 |
3 | 2122112010020212222102021101 |
4 | 10211330321323222001131 |
5 | 10121430004000224041 |
6 | 110543502322033101 |
7 | 4153262602412302 |
oct | 445747173520135 |
9 | 78463225872241 |
10 | 20200203133021 |
11 | 648894906106a |
12 | 2322b271a8791 |
13 | b36b42716262 |
14 | 4db9a32d90a9 |
15 | 2506c1082b31 |
hex | 125f39eea05d |
20200203133021 has 8 divisors (see below), whose sum is σ = 20216771508384. Its totient is φ = 20183641498800.
The previous prime is 20200203133009. The next prime is 20200203133027. The reversal of 20200203133021 is 12033130200202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20200203133021 - 239 = 19650447319133 is a prime.
It is a super-2 number, since 2×202002031330212 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20200203133021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20200203133027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4319046 + ... + 7684696.
It is an arithmetic number, because the mean of its divisors is an integer number (2527096438548).
Almost surely, 220200203133021 is an apocalyptic number.
It is an amenable number.
20200203133021 is a deficient number, since it is larger than the sum of its proper divisors (16568375363).
20200203133021 is a wasteful number, since it uses less digits than its factorization.
20200203133021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3370571.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 20200203133021 its reverse (12033130200202), we get a palindrome (32233333333223).
The spelling of 20200203133021 in words is "twenty trillion, two hundred billion, two hundred three million, one hundred thirty-three thousand, twenty-one".
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