Base | Representation |
---|---|
bin | 10010101001010010… |
… | …010100001100101010 |
3 | 1220200020012101112121 |
4 | 102221102110030222 |
5 | 312000111120020 |
6 | 13110322301454 |
7 | 1306054235164 |
oct | 225122241452 |
9 | 56606171477 |
10 | 20020020010 |
11 | 8543863391 |
12 | 3a687b788a |
13 | 1b708971b3 |
14 | d7cc17934 |
15 | 7c28c2baa |
hex | 4a949432a |
20020020010 has 8 divisors (see below), whose sum is σ = 36036036036. Its totient is φ = 8008008000.
The previous prime is 20020019969. The next prime is 20020020017. The reversal of 20020020010 is 1002002002.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 19959755841 + 60264169 = 141279^2 + 7763^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20020019975 and 20020020002.
It is not an unprimeable number, because it can be changed into a prime (20020020017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001000991 + ... + 1001001010.
Almost surely, 220020020010 is an apocalyptic number.
20020020010 is a deficient number, since it is larger than the sum of its proper divisors (16016016026).
20020020010 is a wasteful number, since it uses less digits than its factorization.
20020020010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2002002008.
The product of its (nonzero) digits is 8, while the sum is 7.
Adding to 20020020010 its reverse (1002002002), we get a palindrome (21022022012).
The spelling of 20020020010 in words is "twenty billion, twenty million, twenty thousand, ten".
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