| Base | Representation |
|---|---|
| bin | 1001001011111101010111… |
| … | …01110100101101111001100 |
| 3 | 2122112022011221102200001000 |
| 4 | 10211332223232211233030 |
| 5 | 10121442411222411340 |
| 6 | 110544420002220300 |
| 7 | 4153361114223501 |
| oct | 445765356455714 |
| 9 | 78468157380030 |
| 10 | 20202112310220 |
| 11 | 6489738805165 |
| 12 | 232337a654690 |
| 13 | b37088110cc9 |
| 14 | 4dbb04ab14a8 |
| 15 | 2507839a4d30 |
| hex | 125fabba5bcc |
20202112310220 has 384 divisors, whose sum is σ = 70579962593280. Its totient is φ = 4770375413760.
The previous prime is 20202112310119. The next prime is 20202112310257. The reversal of 20202112310220 is 2201321120202.
20202112310220 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 211 + 231 + 0 + 220 = 666.
It is a super-4 number, since 4×202021123102204 (a number of 54 digits) contains 4444 as substring.
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 = 20202112310193 and 20202112310202.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12095269 + ... + 13663811.
It is an arithmetic number, because the mean of its divisors is an integer number (183801985920).
Almost surely, 220202112310220 is an apocalyptic number.
20202112310220 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 20202112310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35289981296640).
20202112310220 is an abundant number, since it is smaller than the sum of its proper divisors (50377850283060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202112310220 is a wasteful number, since it uses less digits than its factorization.
20202112310220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1568662 (or 1568654 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 20202112310220 its reverse (2201321120202), we get a palindrome (22403433430422).
The spelling of 20202112310220 in words is "twenty trillion, two hundred two billion, one hundred twelve million, three hundred ten thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.197 sec. • engine limits •