20331322000243 has 2 divisors, whose sum is σ = 20331322000244. Its totient is φ = 20331322000242.

The previous prime is 20331322000219. The next prime is 20331322000291. The reversal of 20331322000243 is 34200022313302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20331322000243 is a prime.

It is not a weakly prime, because it can be changed into another prime (20331322010243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165661000121 + 10165661000122.

It is an arithmetic number, because the mean of its divisors is an integer number (10165661000122).

Almost surely, 2^{20331322000243} is an apocalyptic number.

20331322000243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331322000243 is an equidigital number, since it uses as much as digits as its factorization.

20331322000243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20331322000243 its reverse (34200022313302), we get a palindrome (54531344313545).

The spelling of 20331322000243 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-two million, two hundred forty-three", and thus it is an aban number.