| Base | Representation |
|---|---|
| bin | 11101101011111010110… |
| … | …01101000011001011100 |
| 3 | 10121111211022212122210210 |
| 4 | 32311331121220121130 |
| 5 | 113202440321321340 |
| 6 | 2100330414132420 |
| 7 | 133456553316261 |
| oct | 16657531503134 |
| 9 | 3544738778723 |
| 10 | 1020011120220 |
| 11 | 36364775a784 |
| 12 | 1458277b1110 |
| 13 | 75257067b91 |
| 14 | 37523dc5268 |
| 15 | 1b7ed47c180 |
| hex | ed7d66865c |
1020011120220 has 96 divisors (see below), whose sum is σ = 2920596940800. Its totient is φ = 265868918784.
The previous prime is 1020011120209. The next prime is 1020011120251. The reversal of 1020011120220 is 220211100201.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 1020011120196 and 1020011120205.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1933401 + ... + 2403759.
It is an arithmetic number, because the mean of its divisors is an integer number (30422884800).
Almost surely, 21020011120220 is an apocalyptic number.
1020011120220 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 1020011120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460298470400).
1020011120220 is an abundant number, since it is smaller than the sum of its proper divisors (1900585820580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020011120220 is a wasteful number, since it uses less digits than its factorization.
1020011120220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471187 (or 471185 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 1020011120220 its reverse (220211100201), we get a palindrome (1240222220421).
It can be divided in two parts, 102001 and 1120220, that added together give a palindrome (1222221).
The spelling of 1020011120220 in words is "one trillion, twenty billion, eleven million, one hundred twenty thousand, two hundred twenty".
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