Base | Representation |
---|---|
bin | 1001000110101010011000… |
… | …10001000010100100000100 |
3 | 2121212220102201202012101112 |
4 | 10203111030101002210010 |
5 | 10111002202224231040 |
6 | 110325041144344152 |
7 | 4134256201043225 |
oct | 443251421024404 |
9 | 77786381665345 |
10 | 20020122102020 |
11 | 6419539004117 |
12 | 22b404a475058 |
13 | b22b74070291 |
14 | 4d2d9c84924c |
15 | 24ab816c0365 |
hex | 12354c442904 |
20020122102020 has 96 divisors (see below), whose sum is σ = 42235695710208. Its totient is φ = 7971317811072.
The previous prime is 20020122101999. The next prime is 20020122102023. The reversal of 20020122102020 is 2020122102002.
It is a junction number, because it is equal to n+sod(n) for n = 20020122101986 and 20020122102004.
It is not an unprimeable number, because it can be changed into a prime (20020122102023) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9876724247 + ... + 9876726273.
It is an arithmetic number, because the mean of its divisors is an integer number (439955163648).
Almost surely, 220020122102020 is an apocalyptic number.
20020122102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20020122102020 is an abundant number, since it is smaller than the sum of its proper divisors (22215573608188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020122102020 is a wasteful number, since it uses less digits than its factorization.
20020122102020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4569 (or 4567 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 20020122102020 its reverse (2020122102002), we get a palindrome (22040244204022).
The spelling of 20020122102020 in words is "twenty trillion, twenty billion, one hundred twenty-two million, one hundred two thousand, twenty".
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