Base | Representation |
---|---|
bin | 10010101000000110… |
… | …110010001101100000 |
3 | 1220121211221110000220 |
4 | 102220012302031200 |
5 | 311430024020000 |
6 | 13104334043040 |
7 | 1305424031205 |
oct | 225006621540 |
9 | 56554843026 |
10 | 20000220000 |
11 | 853366a342 |
12 | 3a62049480 |
13 | 1b69753b07 |
14 | d7a341cac |
15 | 7c0cb11a0 |
hex | 4a81b2360 |
20000220000 has 120 divisors (see below), whose sum is σ = 65604918456. Its totient is φ = 5333376000.
The previous prime is 20000219971. The next prime is 20000220001. The reversal of 20000220000 is 2200002.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (6).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
20000220000 is a modest number, since divided by 220000 gives 20000 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20000220001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 106669 + ... + 226668.
Almost surely, 220000220000 is an apocalyptic number.
20000220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20000220000 is an abundant number, since it is smaller than the sum of its proper divisors (45604698456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20000220000 is an equidigital number, since it uses as much as digits as its factorization.
20000220000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 333370 (or 333347 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 6.
Adding to 20000220000 its reverse (2200002), we get a palindrome (20002420002).
The spelling of 20000220000 in words is "twenty billion, two hundred twenty thousand".
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