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20224230223 = 71284848313
BaseRepresentation
bin10010110101011101…
…010100001101001111
31221012110110100021211
4102311131110031033
5312404400331343
613142455235251
71314114056221
oct226535241517
957173410254
1020224230223
11863906155a
123b05078b27
131ba3c96942
14d9bdb4411
157d57ae79d
hex4b575434f

20224230223 has 4 divisors (see below), whose sum is σ = 20509078608. Its totient is φ = 19939381840.

The previous prime is 20224230209. The next prime is 20224230233. The reversal of 20224230223 is 32203242202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20224230223 is a prime.

It is a super-2 number, since 2×202242302232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20224230194 and 20224230203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224230233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142424086 + ... + 142424227.

It is an arithmetic number, because the mean of its divisors is an integer number (5127269652).

Almost surely, 220224230223 is an apocalyptic number.

20224230223 is a deficient number, since it is larger than the sum of its proper divisors (284848385).

20224230223 is an equidigital number, since it uses as much as digits as its factorization.

20224230223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284848384.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20224230223 its reverse (32203242202), we get a palindrome (52427472425).

The spelling of 20224230223 in words is "twenty billion, two hundred twenty-four million, two hundred thirty thousand, two hundred twenty-three".

Divisors: 1 71 284848313 20224230223