20540730341 has 2 divisors, whose sum is σ = 20540730342. Its totient is φ = 20540730340.

The previous prime is 20540730319. The next prime is 20540730367. The reversal of 20540730341 is 14303704502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19968516100 + 572214241 = 141310^2 + 23921^2 .

It is a cyclic number.

It is not a de Polignac number, because 20540730341 - 2⁶ = 20540730277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20540730391) 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 as a sum of consecutive naturals, namely, 10270365170 + 10270365171.

It is an arithmetic number, because the mean of its divisors is an integer number (10270365171).

Almost surely, 2^20540730341 is an apocalyptic number.

It is an amenable number.

20540730341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20540730341 is an equidigital number, since it uses as much as digits as its factorization.

20540730341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The spelling of 20540730341 in words is "twenty billion, five hundred forty million, seven hundred thirty thousand, three hundred forty-one".