20345032332293 has 2 divisors, whose sum is σ = 20345032332294. Its totient is φ = 20345032332292.

The previous prime is 20345032332173. The next prime is 20345032332301. The reversal of 20345032332293 is 39223323054302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19108770764164 + 1236261568129 = 4371358^2 + 1111873^2 .

It is a cyclic number.

It is not a de Polignac number, because 20345032332293 - 2¹⁸ = 20345032070149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20345032332293.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20345032332593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172516166146 + 10172516166147.

It is an arithmetic number, because the mean of its divisors is an integer number (10172516166147).

Almost surely, 2^{20345032332293} is an apocalyptic number.

It is an amenable number.

20345032332293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20345032332293 is an equidigital number, since it uses as much as digits as its factorization.

20345032332293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 41.

Adding to 20345032332293 its reverse (39223323054302), we get a palindrome (59568355386595).

The spelling of 20345032332293 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, three hundred thirty-two thousand, two hundred ninety-three".