20461307532463 has 8 divisors (see below), whose sum is σ = 24759901552032. Its totient is φ = 16506601034496.

The previous prime is 20461307532433. The next prime is 20461307532481. The reversal of 20461307532463 is 36423570316402.

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 20461307532463 - 2¹⁷ = 20461307401391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20461307532433) 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 7 ways as a sum of consecutive naturals, for example, 85971880270 + ... + 85971880507.

It is an arithmetic number, because the mean of its divisors is an integer number (3094987694004).

Almost surely, 2^{20461307532463} is an apocalyptic number.

20461307532463 is a deficient number, since it is larger than the sum of its proper divisors (4298594019569).

20461307532463 is a wasteful number, since it uses less digits than its factorization.

20461307532463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171943760801.

The product of its (nonzero) digits is 2177280, while the sum is 46.

Adding to 20461307532463 its reverse (36423570316402), we get a palindrome (56884877848865).

The spelling of 20461307532463 in words is "twenty trillion, four hundred sixty-one billion, three hundred seven million, five hundred thirty-two thousand, four hundred sixty-three".