Base | Representation |
---|---|
bin | 1001001011111101010110… |
… | …00011011100111111101100 |
3 | 2122112022011011011011101012 |
4 | 10211332223003130333230 |
5 | 10121442400324032340 |
6 | 110544414520004352 |
7 | 4153360616135534 |
oct | 445765303347754 |
9 | 78468134134335 |
10 | 20202101002220 |
11 | 6489732391305 |
12 | 23233769006b8 |
13 | b37085981c97 |
14 | 4dbb033aa4c4 |
15 | 2507829be565 |
hex | 125fab0dcfec |
20202101002220 has 24 divisors (see below), whose sum is σ = 42424591824384. Its totient is φ = 8080806168576.
The previous prime is 20202101002163. The next prime is 20202101002261. The reversal of 20202101002220 is 2220010120202.
It is a junction number, because it is equal to n+sod(n) for n = 20202101002195 and 20202101002204.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3000917 + ... + 7029203.
It is an arithmetic number, because the mean of its divisors is an integer number (1767691326016).
Almost surely, 220202101002220 is an apocalyptic number.
20202101002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20202101002220 is an abundant number, since it is smaller than the sum of its proper divisors (22222490822164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202101002220 is a wasteful number, since it uses less digits than its factorization.
20202101002220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4279049 (or 4279047 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 20202101002220 its reverse (2220010120202), we get a palindrome (22422111122422).
The spelling of 20202101002220 in words is "twenty trillion, two hundred two billion, one hundred one million, two thousand, two hundred twenty".
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