20346664442463 has 24 divisors (see below), whose sum is σ = 30490129612800. Its totient is φ = 13060916027280.

The previous prime is 20346664442413. The next prime is 20346664442479. The reversal of 20346664442463 is 36424446664302.

It is not a de Polignac number, because 20346664442463 - 2⁶ = 20346664442399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346664442413) 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 23 ways as a sum of consecutive naturals, for example, 183178431 + ... + 183289472.

It is an arithmetic number, because the mean of its divisors is an integer number (1270422067200).

Almost surely, 2^{20346664442463} is an apocalyptic number.

20346664442463 is a deficient number, since it is larger than the sum of its proper divisors (10143465170337).

20346664442463 is a wasteful number, since it uses less digits than its factorization.

20346664442463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366468139 (or 366468136 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 54.

The spelling of 20346664442463 in words is "twenty trillion, three hundred forty-six billion, six hundred sixty-four million, four hundred forty-two thousand, four hundred sixty-three".