20346311353541 has 2 divisors, whose sum is σ = 20346311353542. Its totient is φ = 20346311353540.

The previous prime is 20346311353531. The next prime is 20346311353601. The reversal of 20346311353541 is 14535311364302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12262218045025 + 8084093308516 = 3501745^2 + 2843254^2 .

It is a cyclic number.

It is not a de Polignac number, because 20346311353541 - 2¹⁰ = 20346311352517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20346311353531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10173155676770 + 10173155676771.

It is an arithmetic number, because the mean of its divisors is an integer number (10173155676771).

Almost surely, 2^{20346311353541} is an apocalyptic number.

It is an amenable number.

20346311353541 is a deficient number, since it is larger than the sum of its proper divisors (1).

20346311353541 is an equidigital number, since it uses as much as digits as its factorization.

20346311353541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 20346311353541 in words is "twenty trillion, three hundred forty-six billion, three hundred eleven million, three hundred fifty-three thousand, five hundred forty-one".