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20224012405 = 510339269927
BaseRepresentation
bin10010110101011100…
…011111000001110101
31221012110001021111111
4102311130133001311
5312404321344110
613142450435021
71314112161202
oct226534370165
957173037444
1020224012405
118638a22943
123b04b92a71
131ba3c1b75c
14d9bd58ca9
157d5769e8a
hex4b571f075

20224012405 has 8 divisors (see below), whose sum is σ = 24504435072. Its totient is φ = 16022129808.

The previous prime is 20224012387. The next prime is 20224012411. The reversal of 20224012405 is 50421042202.

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

It is a cyclic number.

It is not a de Polignac number, because 20224012405 - 211 = 20224010357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19634449 + ... + 19635478.

It is an arithmetic number, because the mean of its divisors is an integer number (3063054384).

Almost surely, 220224012405 is an apocalyptic number.

It is an amenable number.

20224012405 is a deficient number, since it is larger than the sum of its proper divisors (4280422667).

20224012405 is a wasteful number, since it uses less digits than its factorization.

20224012405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39270035.

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 20224012405 its reverse (50421042202), we get a palindrome (70645054607).

The spelling of 20224012405 in words is "twenty billion, two hundred twenty-four million, twelve thousand, four hundred five".

Divisors: 1 5 103 515 39269927 196349635 4044802481 20224012405