20331323108963 has 2 divisors, whose sum is σ = 20331323108964. Its totient is φ = 20331323108962.

The previous prime is 20331323108933. The next prime is 20331323108969. The reversal of 20331323108963 is 36980132313302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20331323108963 - 2¹⁰ = 20331323107939 is a prime.

It is a super-2 number, since 2×20331323108963² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20331323108969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165661554481 + 10165661554482.

It is an arithmetic number, because the mean of its divisors is an integer number (10165661554482).

Almost surely, 2^{20331323108963} is an apocalyptic number.

20331323108963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331323108963 is an equidigital number, since it uses as much as digits as its factorization.

20331323108963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 20331323108963 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-three million, one hundred eight thousand, nine hundred sixty-three".