Base | Representation |
---|---|
bin | 10010111010000110… |
… | …101111110110011110 |
3 | 1221101220011122000120 |
4 | 102322012233312132 |
5 | 313034330401342 |
6 | 13154322335410 |
7 | 1316051566053 |
oct | 227206576636 |
9 | 57356148016 |
10 | 20302200222 |
11 | 8679076577 |
12 | 3b271ba566 |
13 | 1bb7196035 |
14 | da84ad02a |
15 | 7dc561aec |
hex | 4ba1afd9e |
20302200222 has 32 divisors (see below), whose sum is σ = 41392041984. Its totient is φ = 6637125600.
The previous prime is 20302200221. The next prime is 20302200313. The reversal of 20302200222 is 22200220302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20302200221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43393 + ... + 206124.
It is an arithmetic number, because the mean of its divisors is an integer number (1293501312).
Almost surely, 220302200222 is an apocalyptic number.
20302200222 is an abundant number, since it is smaller than the sum of its proper divisors (21089841762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302200222 is a wasteful number, since it uses less digits than its factorization.
20302200222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249784.
The product of its (nonzero) digits is 192, while the sum is 15.
Adding to 20302200222 its reverse (22200220302), we get a palindrome (42502420524).
The spelling of 20302200222 in words is "twenty billion, three hundred two million, two hundred thousand, two hundred twenty-two".
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