Base | Representation |
---|---|
bin | 1001001011111001110011… |
… | …10011100110001001101100 |
3 | 2122112010020202000001202210 |
4 | 10211330321303212021230 |
5 | 10121430002430120022 |
6 | 110543502204450420 |
7 | 4153262545432026 |
oct | 445747163461154 |
9 | 78463222001683 |
10 | 20200201020012 |
11 | 6488947948582 |
12 | 2322b26549a10 |
13 | b36b42156560 |
14 | 4db9a2d09016 |
15 | 2506c0cb6a0c |
hex | 125f39ce626c |
20200201020012 has 96 divisors (see below), whose sum is σ = 51133754407680. Its totient is φ = 6169740307200.
The previous prime is 20200201020007. The next prime is 20200201020017. The reversal of 20200201020012 is 21002010200202.
It is an interprime number because it is at equal distance from previous prime (20200201020007) and next prime (20200201020017).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a self number, because there is not a number n which added to its sum of digits gives 20200201020012.
It is not an unprimeable number, because it can be changed into a prime (20200201020017) 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, 15078762 + ... + 16363662.
It is an arithmetic number, because the mean of its divisors is an integer number (532643275080).
Almost surely, 220200201020012 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20200201020012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25566877203840).
20200201020012 is an abundant number, since it is smaller than the sum of its proper divisors (30933553387668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200201020012 is a wasteful number, since it uses less digits than its factorization.
20200201020012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1285663 (or 1285661 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 20200201020012 its reverse (21002010200202), we get a palindrome (41202211220214).
The spelling of 20200201020012 in words is "twenty trillion, two hundred billion, two hundred one million, twenty thousand, twelve".
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