20346311310263 has 8 divisors (see below), whose sum is σ = 21254035776000. Its totient is φ = 19440512030808.

The previous prime is 20346311310187. The next prime is 20346311310317. The reversal of 20346311310263 is 36201311364302.

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 20346311310263 - 2⁸ = 20346311310007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346311310163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481274963 + ... + 481317236.

It is an arithmetic number, because the mean of its divisors is an integer number (2656754472000).

Almost surely, 2^{20346311310263} is an apocalyptic number.

20346311310263 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20346311310263 is a deficient number, since it is larger than the sum of its proper divisors (907724465737).

20346311310263 is an equidigital number, since it uses as much as digits as its factorization.

20346311310263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962593141.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 20346311310263 its reverse (36201311364302), we get a palindrome (56547622674565).

The spelling of 20346311310263 in words is "twenty trillion, three hundred forty-six billion, three hundred eleven million, three hundred ten thousand, two hundred sixty-three".