Base | Representation |
---|---|
bin | 10010101001011010… |
… | …110010101011100100 |
3 | 1220200101101021120021 |
4 | 102221122302223210 |
5 | 312001143221040 |
6 | 13110442044524 |
7 | 1306112151304 |
oct | 225132625344 |
9 | 56611337507 |
10 | 20022242020 |
11 | 8545040860 |
12 | 3a694a9744 |
13 | 1b711946b1 |
14 | d7d235604 |
15 | 7c2bb124a |
hex | 4a96b2ae4 |
20022242020 has 96 divisors (see below), whose sum is σ = 46421424000. Its totient is φ = 7193472000.
The previous prime is 20022241991. The next prime is 20022242041. The reversal of 20022242020 is 2024222002.
It is a junction number, because it is equal to n+sod(n) for n = 20022241985 and 20022242003.
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 31 ways as a sum of consecutive naturals, for example, 19086456 + ... + 19087504.
It is an arithmetic number, because the mean of its divisors is an integer number (483556500).
Almost surely, 220022242020 is an apocalyptic number.
20022242020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20022242020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23210712000).
20022242020 is an abundant number, since it is smaller than the sum of its proper divisors (26399181980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20022242020 is a wasteful number, since it uses less digits than its factorization.
20022242020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2029 (or 2027 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 16.
Adding to 20022242020 its reverse (2024222002), we get a palindrome (22046464022).
It can be divided in two parts, 200222 and 42020, that added together give a palindrome (242242).
The spelling of 20022242020 in words is "twenty billion, twenty-two million, two hundred forty-two thousand, twenty".
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