Base | Representation |
---|---|
bin | 1001001011111110011100… |
… | …00010111011000111100100 |
3 | 2122112100200001211002111220 |
4 | 10211333032002323013210 |
5 | 10122000101121103040 |
6 | 110544553050500340 |
7 | 4153411305116025 |
oct | 445771602730744 |
9 | 78470601732456 |
10 | 20202688066020 |
11 | 6489a03803aa9 |
12 | 23234bb4346b0 |
13 | b3714a49b705 |
14 | 4dbb5b346c4c |
15 | 2507b92d42d0 |
hex | 125fce0bb1e4 |
20202688066020 has 48 divisors (see below), whose sum is σ = 56634949284480. Its totient is φ = 5380962274816.
The previous prime is 20202688065983. The next prime is 20202688066109. The reversal of 20202688066020 is 2066088620202.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200612037 + ... + 200712716.
It is an arithmetic number, because the mean of its divisors is an integer number (1179894776760).
Almost surely, 220202688066020 is an apocalyptic number.
20202688066020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20202688066020 is an abundant number, since it is smaller than the sum of its proper divisors (36432261218460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20202688066020 is a wasteful number, since it uses less digits than its factorization.
20202688066020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 401325604 (or 401325602 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 42.
The spelling of 20202688066020 in words is "twenty trillion, two hundred two billion, six hundred eighty-eight million, sixty-six thousand, twenty".
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