Base | Representation |
---|---|
bin | 10010101000101100… |
… | …001010110111100010 |
3 | 1220122112101100112210 |
4 | 102220230022313202 |
5 | 311440031122242 |
6 | 13105324102550 |
7 | 1305603236445 |
oct | 225054126742 |
9 | 56575340483 |
10 | 20010020322 |
11 | 8539153486 |
12 | 3a65394a56 |
13 | 1b6b7a5816 |
14 | d7b77365c |
15 | 7c1a99d9c |
hex | 4a8b0ade2 |
20010020322 has 16 divisors (see below), whose sum is σ = 40036821120. Its totient is φ = 6667210032.
The previous prime is 20010020281. The next prime is 20010020347. The reversal of 20010020322 is 22302001002.
It is a junction number, because it is equal to n+sod(n) for n = 20010020298 and 20010020307.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683658 + ... + 712325.
It is an arithmetic number, because the mean of its divisors is an integer number (2502301320).
Almost surely, 220010020322 is an apocalyptic number.
20010020322 is an abundant number, since it is smaller than the sum of its proper divisors (20026800798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20010020322 is a wasteful number, since it uses less digits than its factorization.
20010020322 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1398377.
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 20010020322 its reverse (22302001002), we get a palindrome (42312021324).
The spelling of 20010020322 in words is "twenty billion, ten million, twenty thousand, three hundred twenty-two".
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