20301441304993 has 2 divisors, whose sum is σ = 20301441304994. Its totient is φ = 20301441304992.

The previous prime is 20301441304943. The next prime is 20301441305113. The reversal of 20301441304993 is 39940314410302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18665787033664 + 1635654271329 = 4320392^2 + 1278927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20301441304993 is a prime.

It is not a weakly prime, because it can be changed into another prime (20301441304943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150720652496 + 10150720652497.

It is an arithmetic number, because the mean of its divisors is an integer number (10150720652497).

Almost surely, 2^{20301441304993} is an apocalyptic number.

It is an amenable number.

20301441304993 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301441304993 is an equidigital number, since it uses as much as digits as its factorization.

20301441304993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 43.

The spelling of 20301441304993 in words is "twenty trillion, three hundred one billion, four hundred forty-one million, three hundred four thousand, nine hundred ninety-three".