20346311302051 has 12 divisors (see below), whose sum is σ = 23687606067048. Its totient is φ = 17425365280512.

The previous prime is 20346311301941. The next prime is 20346311302091. The reversal of 20346311302051 is 15020311364302.

It is not a de Polignac number, because 20346311302051 - 2³¹ = 20344163818403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20346311302091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170536441 + ... + 170655706.

It is an arithmetic number, because the mean of its divisors is an integer number (1973967172254).

Almost surely, 2^{20346311302051} is an apocalyptic number.

20346311302051 is a deficient number, since it is larger than the sum of its proper divisors (3341294764997).

20346311302051 is a wasteful number, since it uses less digits than its factorization.

20346311302051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341193378 (or 341193371 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 20346311302051 its reverse (15020311364302), we get a palindrome (35366622666353).

The spelling of 20346311302051 in words is "twenty trillion, three hundred forty-six billion, three hundred eleven million, three hundred two thousand, fifty-one".