Base | Representation |
---|---|
bin | 1001001100010001111001… |
… | …00100001001000010001000 |
3 | 2122120100121221022011211110 |
4 | 10212020330210021002020 |
5 | 10122132443320431440 |
6 | 110553441300530320 |
7 | 4154231154605304 |
oct | 446107444110210 |
9 | 78510557264743 |
10 | 20213132202120 |
11 | 649338319a040 |
12 | 23255350b09a0 |
13 | b381231b17c0 |
14 | 4dc46c47cd04 |
15 | 250bcb173080 |
hex | 12623c909088 |
20213132202120 has 256 divisors, whose sum is σ = 71560168243200. Its totient is φ = 4502934051840.
The previous prime is 20213132202101. The next prime is 20213132202143. The reversal of 20213132202120 is 2120223131202.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1185601 + ... + 6467759.
It is an arithmetic number, because the mean of its divisors is an integer number (279531907200).
Almost surely, 220213132202120 is an apocalyptic number.
20213132202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20213132202120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35780084121600).
20213132202120 is an abundant number, since it is smaller than the sum of its proper divisors (51347036041080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20213132202120 is a wasteful number, since it uses less digits than its factorization.
20213132202120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5282420 (or 5282416 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 20213132202120 its reverse (2120223131202), we get a palindrome (22333355333322).
The spelling of 20213132202120 in words is "twenty trillion, two hundred thirteen billion, one hundred thirty-two million, two hundred two thousand, one hundred twenty".
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