Base | Representation |
---|---|
bin | 1001001011111001110101… |
… | …11011111111111100010100 |
3 | 2122112010022001201100110001 |
4 | 10211330322323333330110 |
5 | 10121430022310000040 |
6 | 110543504123341044 |
7 | 4153263165652234 |
oct | 445747273777424 |
9 | 78463261640401 |
10 | 20200220000020 |
11 | 6488957631535 |
12 | 2322b30981784 |
13 | b36b46070628 |
14 | 4db9a5649cc4 |
15 | 2506c27b559a |
hex | 125f3aefff14 |
20200220000020 has 48 divisors (see below), whose sum is σ = 43412547467520. Its totient is φ = 7891167505536.
The previous prime is 20200220000011. The next prime is 20200220000029. The reversal of 20200220000020 is 2000002200202.
It is an interprime number because it is at equal distance from previous prime (20200220000011) and next prime (20200220000029).
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 20200219999961 and 20200220000006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20200220000029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5226526 + ... + 8229034.
It is an arithmetic number, because the mean of its divisors is an integer number (904428072240).
Almost surely, 220200220000020 is an apocalyptic number.
20200220000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20200220000020 is an abundant number, since it is smaller than the sum of its proper divisors (23212327467500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200220000020 is a wasteful number, since it uses less digits than its factorization.
20200220000020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3010384 (or 3010382 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 10.
Adding to 20200220000020 its reverse (2000002200202), we get a palindrome (22200222200222).
The spelling of 20200220000020 in words is "twenty trillion, two hundred billion, two hundred twenty million, twenty", and thus it is an aban number.
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