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20304024423 = 339313172157
BaseRepresentation
bin10010111010001101…
…101101001101100111
31221102000121022100120
4102322031231031213
5313040312240143
613154425413023
71316103234324
oct227215551547
957360538316
1020304024423
11867a102081
123b2793a173
131bb7684447
14da8825b4b
157dc7c2383
hex4ba36d367

20304024423 has 8 divisors (see below), whose sum is σ = 27072878448. Its totient is φ = 13535593344.

The previous prime is 20304024373. The next prime is 20304024427. The reversal of 20304024423 is 32442040302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20304024423 - 222 = 20299830119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20304024393 and 20304024402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304024427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31861 + ... + 204017.

It is an arithmetic number, because the mean of its divisors is an integer number (3384109806).

Almost surely, 220304024423 is an apocalyptic number.

20304024423 is a deficient number, since it is larger than the sum of its proper divisors (6768854025).

20304024423 is a wasteful number, since it uses less digits than its factorization.

20304024423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211473.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20304024423 its reverse (32442040302), we get a palindrome (52746064725).

The spelling of 20304024423 in words is "twenty billion, three hundred four million, twenty-four thousand, four hundred twenty-three".

Divisors: 1 3 39313 117939 172157 516471 6768008141 20304024423