20034415165361 has 2 divisors, whose sum is σ = 20034415165362. Its totient is φ = 20034415165360.

The previous prime is 20034415165309. The next prime is 20034415165397. The reversal of 20034415165361 is 16356151443002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13657052847025 + 6377362318336 = 3695545^2 + 2525344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20034415165361 is a prime.

It is not a weakly prime, because it can be changed into another prime (20034415165301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017207582680 + 10017207582681.

It is an arithmetic number, because the mean of its divisors is an integer number (10017207582681).

Almost surely, 2^{20034415165361} is an apocalyptic number.

It is an amenable number.

20034415165361 is a deficient number, since it is larger than the sum of its proper divisors (1).

20034415165361 is an equidigital number, since it uses as much as digits as its factorization.

20034415165361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 20034415165361 in words is "twenty trillion, thirty-four billion, four hundred fifteen million, one hundred sixty-five thousand, three hundred sixty-one".