20351632542113 has 16 divisors (see below), whose sum is σ = 20621687929920. Its totient is φ = 20083104360000.

The previous prime is 20351632542049. The next prime is 20351632542127. The reversal of 20351632542113 is 31124523615302.

It is a cyclic number.

It is not a de Polignac number, because 20351632542113 - 2⁶ = 20351632542049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20351632542133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687981983 + ... + 688011563.

It is an arithmetic number, because the mean of its divisors is an integer number (1288855495620).

Almost surely, 2^{20351632542113} is an apocalyptic number.

It is an amenable number.

20351632542113 is a deficient number, since it is larger than the sum of its proper divisors (270055387807).

20351632542113 is a wasteful number, since it uses less digits than its factorization.

20351632542113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55088.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 20351632542113 in words is "twenty trillion, three hundred fifty-one billion, six hundred thirty-two million, five hundred forty-two thousand, one hundred thirteen".