20344446093353 has 2 divisors, whose sum is σ = 20344446093354. Its totient is φ = 20344446093352.

The previous prime is 20344446093263. The next prime is 20344446093359. The reversal of 20344446093353 is 35339064444302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10868712213529 + 9475733879824 = 3296773^2 + 3078268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20344446093353 is a prime.

It is a super-2 number, since 2×20344446093353² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20344446093359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172223046676 + 10172223046677.

It is an arithmetic number, because the mean of its divisors is an integer number (10172223046677).

Almost surely, 2^{20344446093353} is an apocalyptic number.

It is an amenable number.

20344446093353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20344446093353 is an equidigital number, since it uses as much as digits as its factorization.

20344446093353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 50.

The spelling of 20344446093353 in words is "twenty trillion, three hundred forty-four billion, four hundred forty-six million, ninety-three thousand, three hundred fifty-three".