20346305540103 has 12 divisors (see below), whose sum is σ = 31117879061568. Its totient is φ = 12766309358400.

The previous prime is 20346305540089. The next prime is 20346305540191. The reversal of 20346305540103 is 30104550364302.

20346305540103 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 6 + 3 + 0 + 5 + 540 + 103 = 666.

It is not a de Polignac number, because 20346305540103 - 2³³ = 20337715605511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346305540203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66491194423 + ... + 66491194728.

It is an arithmetic number, because the mean of its divisors is an integer number (2593156588464).

Almost surely, 2^{20346305540103} is an apocalyptic number.

20346305540103 is a deficient number, since it is larger than the sum of its proper divisors (10771573521465).

20346305540103 is a wasteful number, since it uses less digits than its factorization.

20346305540103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132982389174 (or 132982389171 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 20346305540103 in words is "twenty trillion, three hundred forty-six billion, three hundred five million, five hundred forty thousand, one hundred three".