Base | Representation |
---|---|
bin | 10010110100100111… |
… | …111010001111001100 |
3 | 1221011111010001220012 |
4 | 102310213322033030 |
5 | 312342304331340 |
6 | 13141235212352 |
7 | 1313554056665 |
oct | 226447721714 |
9 | 57144101805 |
10 | 20210230220 |
11 | 863116a104 |
12 | 3b004470b8 |
13 | 1ba110450b |
14 | d9a1ac36c |
15 | 7d4446565 |
hex | 4b49fa3cc |
20210230220 has 24 divisors (see below), whose sum is σ = 42686817264. Its totient is φ = 8037361856.
The previous prime is 20210230219. The next prime is 20210230231. The reversal of 20210230220 is 2203201202.
It is a junction number, because it is equal to n+sod(n) for n = 20210230195 and 20210230204.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2917094 + ... + 2924013.
It is an arithmetic number, because the mean of its divisors is an integer number (1778617386).
Almost surely, 220210230220 is an apocalyptic number.
20210230220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20210230220 is an abundant number, since it is smaller than the sum of its proper divisors (22476587044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20210230220 is a wasteful number, since it uses less digits than its factorization.
20210230220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5841289 (or 5841287 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
Adding to 20210230220 its reverse (2203201202), we get a palindrome (22413431422).
The spelling of 20210230220 in words is "twenty billion, two hundred ten million, two hundred thirty thousand, two hundred twenty".
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