20810090288041 has 2 divisors, whose sum is σ = 20810090288042. Its totient is φ = 20810090288040.

The previous prime is 20810090288027. The next prime is 20810090288077. The reversal of 20810090288041 is 14088209001802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20810019240000 + 71048041 = 4561800^2 + 8429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20810090288041 is a prime.

It is not a weakly prime, because it can be changed into another prime (20810090288011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10405045144020 + 10405045144021.

It is an arithmetic number, because the mean of its divisors is an integer number (10405045144021).

Almost surely, 2^{20810090288041} is an apocalyptic number.

It is an amenable number.

20810090288041 is a deficient number, since it is larger than the sum of its proper divisors (1).

20810090288041 is an equidigital number, since it uses as much as digits as its factorization.

20810090288041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 43.

Adding to 20810090288041 its reverse (14088209001802), we get a palindrome (34898299289843).

The spelling of 20810090288041 in words is "twenty trillion, eight hundred ten billion, ninety million, two hundred eighty-eight thousand, forty-one".