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20424222141 = 313734958539
BaseRepresentation
bin10011000001011000…
…001110010110111101
31221201101202222121220
4103001120032112331
5313312100102031
613214401543553
71322063011101
oct230130162675
957641688556
1020424222141
118730a39434
123b60044bb9
131c0654a35b
14dba793901
157e8116596
hex4c160e5bd

20424222141 has 8 divisors (see below), whose sum is σ = 27252135840. Its totient is φ = 13606228272.

The previous prime is 20424222113. The next prime is 20424222209. The reversal of 20424222141 is 14122242402.

It is a happy number.

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

It is not a de Polignac number, because 20424222141 - 225 = 20390667709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2475151 + ... + 2483388.

It is an arithmetic number, because the mean of its divisors is an integer number (3406516980).

Almost surely, 220424222141 is an apocalyptic number.

It is an amenable number.

20424222141 is a deficient number, since it is larger than the sum of its proper divisors (6827913699).

20424222141 is a wasteful number, since it uses less digits than its factorization.

20424222141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959915.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20424222141 its reverse (14122242402), we get a palindrome (34546464543).

The spelling of 20424222141 in words is "twenty billion, four hundred twenty-four million, two hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 3 1373 4119 4958539 14875617 6808074047 20424222141