Base | Representation |
---|---|
bin | 1001000110101010100100… |
… | …01010010110100011101001 |
3 | 2121212220200121212100122120 |
4 | 10203111102022112203221 |
5 | 10111002403034342301 |
6 | 110325055040341453 |
7 | 4134261511546134 |
oct | 443252212264351 |
9 | 77786617770576 |
10 | 20020221012201 |
11 | 6419589920873 |
12 | 22b4077614889 |
13 | b22b8b6c1a07 |
14 | 4d2daba3521b |
15 | 24ab8a20be36 |
hex | 1235522968e9 |
20020221012201 has 8 divisors (see below), whose sum is σ = 26693660539680. Its totient is φ = 13346797746432.
The previous prime is 20020221012199. The next prime is 20020221012227. The reversal of 20020221012201 is 10221012202002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20020221012201 - 21 = 20020221012199 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20020221012101) 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, 823471 + ... + 6381108.
It is an arithmetic number, because the mean of its divisors is an integer number (3336707567460).
Almost surely, 220020221012201 is an apocalyptic number.
It is an amenable number.
20020221012201 is a deficient number, since it is larger than the sum of its proper divisors (6673439527479).
20020221012201 is an equidigital number, since it uses as much as digits as its factorization.
20020221012201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8130855.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 20020221012201 its reverse (10221012202002), we get a palindrome (30241233214203).
The spelling of 20020221012201 in words is "twenty trillion, twenty billion, two hundred twenty-one million, twelve thousand, two hundred one".
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