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24230212220 = 2251211510611
BaseRepresentation
bin10110100100001110…
…111011001001111100
32022112122102022111102
4112210032323021330
5344110413242340
615044201312232
71515306256064
oct264416731174
968478368442
1024230212220
11a304361085
124842795678
132391c010a6
14125c0443a4
1596c317215
hex5a43bb27c

24230212220 has 12 divisors (see below), whose sum is σ = 50883445704. Its totient is φ = 9692084880.

The previous prime is 24230212189. The next prime is 24230212229. The reversal of 24230212220 is 2221203242.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1211510611 = 24230212220 / (2 + 4 + 2 + 3 + 0 + 2 + 1 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 24230212192 and 24230212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24230212229) 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, 605755286 + ... + 605755325.

It is an arithmetic number, because the mean of its divisors is an integer number (4240287142).

Almost surely, 224230212220 is an apocalyptic number.

24230212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24230212220 is an abundant number, since it is smaller than the sum of its proper divisors (26653233484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24230212220 is a wasteful number, since it uses less digits than its factorization.

24230212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211510620 (or 1211510618 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 24230212220 its reverse (2221203242), we get a palindrome (26451415462).

The spelling of 24230212220 in words is "twenty-four billion, two hundred thirty million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1211510611 2423021222 4846042444 6057553055 12115106110 24230212220