Base | Representation |
---|---|
bin | 11101011001011000100… |
… | …110000100000000100100 |
3 | 21011010021201001122210010 |
4 | 131121120212010000210 |
5 | 231044201434031040 |
6 | 4144010351530220 |
7 | 265643324125362 |
oct | 35313046040044 |
9 | 7133251048703 |
10 | 2020121002020 |
11 | 709801706480 |
12 | 28761a529970 |
13 | 11865c027024 |
14 | 6dabac72632 |
15 | 3783469ae80 |
hex | 1d658984024 |
2020121002020 has 96 divisors (see below), whose sum is σ = 6181246786176. Its totient is φ = 488877465600.
The previous prime is 2020121002007. The next prime is 2020121002033. The reversal of 2020121002020 is 202001210202.
It is an interprime number because it is at equal distance from previous prime (2020121002007) and next prime (2020121002033).
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 = 2020121001987 and 2020121002005.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2271511 + ... + 3033150.
It is an arithmetic number, because the mean of its divisors is an integer number (64387987356).
Almost surely, 22020121002020 is an apocalyptic number.
2020121002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2020121002020 is an abundant number, since it is smaller than the sum of its proper divisors (4161125784156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020121002020 is a wasteful number, since it uses less digits than its factorization.
2020121002020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5305261 (or 5305259 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 2020121002020 its reverse (202001210202), we get a palindrome (2222122212222).
The spelling of 2020121002020 in words is "two trillion, twenty billion, one hundred twenty-one million, two thousand, twenty".
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