Base | Representation |
---|---|
bin | 10010101001011001… |
… | …111101000001001111 |
3 | 1220200100222010001122 |
4 | 102221121331001033 |
5 | 312001114202343 |
6 | 13110433231155 |
7 | 1306110244430 |
oct | 225131750117 |
9 | 56610863048 |
10 | 20022022223 |
11 | 8544a00705 |
12 | 3a694024bb |
13 | 1b71118638 |
14 | d7d1b9487 |
15 | 7c2b6b068 |
hex | 4a967d04f |
20022022223 has 16 divisors (see below), whose sum is σ = 23321318400. Its totient is φ = 16834910400.
The previous prime is 20022022177. The next prime is 20022022247. The reversal of 20022022223 is 32222022002.
It is not a de Polignac number, because 20022022223 - 212 = 20022018127 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20022022523) 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, 2318 + ... + 200123.
It is an arithmetic number, because the mean of its divisors is an integer number (1457582400).
Almost surely, 220022022223 is an apocalyptic number.
20022022223 is a deficient number, since it is larger than the sum of its proper divisors (3299296177).
20022022223 is a wasteful number, since it uses less digits than its factorization.
20022022223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202718.
The product of its (nonzero) digits is 384, while the sum is 17.
Adding to 20022022223 its reverse (32222022002), we get a palindrome (52244044225).
The spelling of 20022022223 in words is "twenty billion, twenty-two million, twenty-two thousand, two hundred twenty-three".
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