Base | Representation |
---|---|
bin | 10010101001011011… |
… | …000001100111101010 |
3 | 1220200101111101111120 |
4 | 102221123001213222 |
5 | 312001202200320 |
6 | 13110443240110 |
7 | 1306112524560 |
oct | 225133014752 |
9 | 56611441446 |
10 | 20022303210 |
11 | 8545082828 |
12 | 3a69519036 |
13 | 1b711b64c0 |
14 | d7d24da30 |
15 | 7c2bc4440 |
hex | 4a96c19ea |
20022303210 has 128 divisors (see below), whose sum is σ = 60741563904. Its totient is φ = 4110289920.
The previous prime is 20022303193. The next prime is 20022303251. The reversal of 20022303210 is 1230322002.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 20022303210.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1900 + ... + 200120.
It is an arithmetic number, because the mean of its divisors is an integer number (474543468).
Almost surely, 220022303210 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20022303210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30370781952).
20022303210 is an abundant number, since it is smaller than the sum of its proper divisors (40719260694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20022303210 is a wasteful number, since it uses less digits than its factorization.
20022303210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198288.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20022303210 its reverse (1230322002), we get a palindrome (21252625212).
The spelling of 20022303210 in words is "twenty billion, twenty-two million, three hundred three thousand, two hundred ten".
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