20812901517341 has 2 divisors, whose sum is σ = 20812901517342. Its totient is φ = 20812901517340.

The previous prime is 20812901517337. The next prime is 20812901517347. The reversal of 20812901517341 is 14371510921802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13996233251716 + 6816668265625 = 3741154^2 + 2610875^2 .

It is a cyclic number.

It is not a de Polignac number, because 20812901517341 - 2² = 20812901517337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20812901517292 and 20812901517301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20812901517347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10406450758670 + 10406450758671.

It is an arithmetic number, because the mean of its divisors is an integer number (10406450758671).

Almost surely, 2^{20812901517341} is an apocalyptic number.

It is an amenable number.

20812901517341 is a deficient number, since it is larger than the sum of its proper divisors (1).

20812901517341 is an equidigital number, since it uses as much as digits as its factorization.

20812901517341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 20812901517341 in words is "twenty trillion, eight hundred twelve billion, nine hundred one million, five hundred seventeen thousand, three hundred forty-one".