20419667522341 has 2 divisors, whose sum is σ = 20419667522342. Its totient is φ = 20419667522340.

The previous prime is 20419667522329. The next prime is 20419667522363. The reversal of 20419667522341 is 14322576691402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17122795720900 + 3296871801441 = 4137970^2 + 1815729^2 .

It is a cyclic number.

It is not a de Polignac number, because 20419667522341 - 2¹⁷ = 20419667391269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20419667522741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10209833761170 + 10209833761171.

It is an arithmetic number, because the mean of its divisors is an integer number (10209833761171).

Almost surely, 2^{20419667522341} is an apocalyptic number.

It is an amenable number.

20419667522341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20419667522341 is an equidigital number, since it uses as much as digits as its factorization.

20419667522341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 20419667522341 in words is "twenty trillion, four hundred nineteen billion, six hundred sixty-seven million, five hundred twenty-two thousand, three hundred forty-one".