20323110212993 has 16 divisors (see below), whose sum is σ = 23895993402240. Its totient is φ = 16924745667456.

The previous prime is 20323110212869. The next prime is 20323110213047. The reversal of 20323110212993 is 39921201132302.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20323110212993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323110212393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296766158 + ... + 296834631.

It is an arithmetic number, because the mean of its divisors is an integer number (1493499587640).

Almost surely, 2^{20323110212993} is an apocalyptic number.

It is an amenable number.

20323110212993 is a deficient number, since it is larger than the sum of its proper divisors (3572883189247).

20323110212993 is an equidigital number, since it uses as much as digits as its factorization.

20323110212993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593600936.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 20323110212993 in words is "twenty trillion, three hundred twenty-three billion, one hundred ten million, two hundred twelve thousand, nine hundred ninety-three".