Base | Representation |
---|---|
bin | 10010101001010010… |
… | …001111010100000010 |
3 | 1220200020011101002120 |
4 | 102221102033110002 |
5 | 312000110000002 |
6 | 13110322025110 |
7 | 1306054122642 |
oct | 225122172402 |
9 | 56606141076 |
10 | 20020000002 |
11 | 854384a352 |
12 | 3a687a8196 |
13 | 1b7088b062 |
14 | d7cc10522 |
15 | 7c28bbcbc |
hex | 4a948f502 |
20020000002 has 8 divisors (see below), whose sum is σ = 40040000016. Its totient is φ = 6673333332.
The previous prime is 20019999991. The next prime is 20020000073. The reversal of 20020000002 is 20000002002.
It is a sphenic number, since it is the product of 3 distinct primes.
20020000002 is an admirable number.
It is a Harshad number since it is a multiple of its sum of digits (6), and also a Moran number because the ratio is a prime number: 3336666667 = 20020000002 / (2 + 0 + 0 + 2 + 0 + 0 + 0 + 0 + 0 + 0 + 2).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668333328 + ... + 1668333339.
It is an arithmetic number, because the mean of its divisors is an integer number (5005000002).
Almost surely, 220020000002 is an apocalyptic number.
20020000002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020000002 is a wasteful number, since it uses less digits than its factorization.
20020000002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3336666672.
The product of its (nonzero) digits is 8, while the sum is 6.
Adding to 20020000002 its reverse (20000002002), we get a palindrome (40020002004).
The spelling of 20020000002 in words is "twenty billion, twenty million, two", and thus it is an aban number and an uban number.
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