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20423201241 = 349913642753
BaseRepresentation
bin10011000001010100…
…010101000111011001
31221201022212010012210
4103001110111013121
5313311314414431
613214324025333
71322051226522
oct230124250731
957638763183
1020423201241
118730401413
123b5b832249
131c06280781
14dba5a9849
157e7eb3d46
hex4c15151d9

20423201241 has 8 divisors (see below), whose sum is σ = 27285508000. Its totient is φ = 13588180992.

The previous prime is 20423201203. The next prime is 20423201261. The reversal of 20423201241 is 14210232402.

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

It is a de Polignac number, because none of the positive numbers 2k-20423201241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20423201261) 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, 6819880 + ... + 6822873.

It is an arithmetic number, because the mean of its divisors is an integer number (3410688500).

Almost surely, 220423201241 is an apocalyptic number.

It is an amenable number.

20423201241 is a deficient number, since it is larger than the sum of its proper divisors (6862306759).

20423201241 is a wasteful number, since it uses less digits than its factorization.

20423201241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13643255.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20423201241 its reverse (14210232402), we get a palindrome (34633433643).

The spelling of 20423201241 in words is "twenty billion, four hundred twenty-three million, two hundred one thousand, two hundred forty-one".

Divisors: 1 3 499 1497 13642753 40928259 6807733747 20423201241