20346652321063 has 8 divisors (see below), whose sum is σ = 21765612308832. Its totient is φ = 18952369898496.

The previous prime is 20346652321003. The next prime is 20346652321087. The reversal of 20346652321063 is 36012325664302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20346652321063 - 2⁹ = 20346652320551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346652321003) 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 in 7 ways as a sum of consecutive naturals, for example, 6169389595 + ... + 6169392892.

It is an arithmetic number, because the mean of its divisors is an integer number (2720701538604).

Almost surely, 2^{20346652321063} is an apocalyptic number.

20346652321063 is a deficient number, since it is larger than the sum of its proper divisors (1418959987769).

20346652321063 is a wasteful number, since it uses less digits than its factorization.

20346652321063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12338782601.

The product of its (nonzero) digits is 933120, while the sum is 43.

Adding to 20346652321063 its reverse (36012325664302), we get a palindrome (56358977985365).

The spelling of 20346652321063 in words is "twenty trillion, three hundred forty-six billion, six hundred fifty-two million, three hundred twenty-one thousand, sixty-three".