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20580341 is a prime number
BaseRepresentation
bin100111010000…
…0011111110101
31102201120220212
41032200133311
520232032331
62013035205
7336633665
oct116403765
942646825
1020580341
1110687351
126a85b05
134357622
142a3a1a5
151c17d2b
hex13a07f5

20580341 has 2 divisors, whose sum is σ = 20580342. Its totient is φ = 20580340.

The previous prime is 20580337. The next prime is 20580349. The reversal of 20580341 is 14308502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18190225 + 2390116 = 4265^2 + 1546^2 .

It is a cyclic number.

It is not a de Polignac number, because 20580341 - 22 = 20580337 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20580349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10290170 + 10290171.

It is an arithmetic number, because the mean of its divisors is an integer number (10290171).

Almost surely, 220580341 is an apocalyptic number.

It is an amenable number.

20580341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20580341 is an equidigital number, since it uses as much as digits as its factorization.

20580341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20580341 is about 4536.5560726172. The cubic root of 20580341 is about 274.0422484447.

Adding to 20580341 its reverse (14308502), we get a palindrome (34888843).

The spelling of 20580341 in words is "twenty million, five hundred eighty thousand, three hundred forty-one".