| Base | Representation |
|---|---|
| bin | 100001110001110011100… |
| … | …000010110011100011100 |
| 3 | 22012220110211022201222200 |
| 4 | 201301303200112130130 |
| 5 | 301012324332401340 |
| 6 | 4534204232411500 |
| 7 | 326463000104355 |
| oct | 41616340263434 |
| 9 | 8186424281880 |
| 10 | 2321220200220 |
| 11 | 81547331a639 |
| 12 | 315a4bb46b90 |
| 13 | 13ab757b566c |
| 14 | 804c1d84d2c |
| 15 | 405a85d3330 |
| hex | 21c7381671c |
2321220200220 has 144 divisors (see below), whose sum is σ = 7200761742720. Its totient is φ = 605105280000.
The previous prime is 2321220200213. The next prime is 2321220200231. The reversal of 2321220200220 is 220020221232.
2321220200220 is a `hidden beast` number, since 2 + 3 + 21 + 220 + 200 + 220 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2321220200193 and 2321220200202.
It is a congruent number.
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 47 ways as a sum of consecutive naturals, for example, 628120 + ... + 2244320.
It is an arithmetic number, because the mean of its divisors is an integer number (50005289880).
Almost surely, 22321220200220 is an apocalyptic number.
2321220200220 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 2321220200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3600380871360).
2321220200220 is an abundant number, since it is smaller than the sum of its proper divisors (4879541542500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2321220200220 is a wasteful number, since it uses less digits than its factorization.
2321220200220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1616396 (or 1616391 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 2321220200220 its reverse (220020221232), we get a palindrome (2541240421452).
The spelling of 2321220200220 in words is "two trillion, three hundred twenty-one billion, two hundred twenty million, two hundred thousand, two hundred twenty".
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