Base | Representation |
---|---|
bin | 1001001011111001110101… |
… | …11111110100000101000001 |
3 | 2122112010022010121011011101 |
4 | 10211330322333310011001 |
5 | 10121430023034000001 |
6 | 110543504201014401 |
7 | 4153263210315520 |
oct | 445747277640501 |
9 | 78463263534141 |
10 | 20200221000001 |
11 | 6488958154869 |
12 | 2322b31184401 |
13 | b36b46330833 |
14 | 4db9a582a4b7 |
15 | 2506c2911a01 |
hex | 125f3aff4141 |
20200221000001 has 32 divisors (see below), whose sum is σ = 23264243970048. Its totient is φ = 17181187974720.
The previous prime is 20200220999951. The next prime is 20200221000059. The reversal of 20200221000001 is 10000012200202.
It is not a de Polignac number, because 20200221000001 - 241 = 18001197744449 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20200221000901) 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, 1402104340 + ... + 1402118746.
It is an arithmetic number, because the mean of its divisors is an integer number (727007624064).
Almost surely, 220200221000001 is an apocalyptic number.
It is an amenable number.
20200221000001 is a deficient number, since it is larger than the sum of its proper divisors (3064022970047).
20200221000001 is a wasteful number, since it uses less digits than its factorization.
20200221000001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16741.
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 20200221000001 its reverse (10000012200202), we get a palindrome (30200233200203).
The spelling of 20200221000001 in words is "twenty trillion, two hundred billion, two hundred twenty-one million, one", and thus it is an aban number.
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