| Base | Representation |
|---|---|
| bin | 10011001101011101111… |
| … | …000101110101011011100 |
| 3 | 11200012111010201002220000 |
| 4 | 103031131320232223130 |
| 5 | 133112111302042340 |
| 6 | 2450243121454300 |
| 7 | 164243024544243 |
| oct | 23153570565334 |
| 9 | 4605433632800 |
| 10 | 1320130112220 |
| 11 | 46995603a477 |
| 12 | 193a24aa1390 |
| 13 | 9764572994a |
| 14 | 47c74c5d95a |
| 15 | 245162e2d30 |
| hex | 1335de2eadc |
1320130112220 has 240 divisors, whose sum is σ = 4300433853408. Its totient is φ = 338742466560.
The previous prime is 1320130112219. The next prime is 1320130112221. The reversal of 1320130112220 is 222110310231.
1320130112220 is a `hidden beast` number, since 1 + 320 + 1 + 301 + 1 + 22 + 20 = 666.
It is an interprime number because it is at equal distance from previous prime (1320130112219) and next prime (1320130112221).
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 = 1320130112193 and 1320130112202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1320130112221) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4712527 + ... + 4984793.
Almost surely, 21320130112220 is an apocalyptic number.
1320130112220 is a gapful number since it is divisible by the number (10) 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 1320130112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2150216926704).
1320130112220 is an abundant number, since it is smaller than the sum of its proper divisors (2980303741188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1320130112220 is a wasteful number, since it uses less digits than its factorization.
1320130112220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 272402 (or 272391 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 1320130112220 its reverse (222110310231), we get a palindrome (1542240422451).
The spelling of 1320130112220 in words is "one trillion, three hundred twenty billion, one hundred thirty million, one hundred twelve thousand, two hundred twenty".
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