20004310546475 has 12 divisors (see below), whose sum is σ = 24808054255824. Its totient is φ = 16001700580320.

The previous prime is 20004310546471. The next prime is 20004310546487. The reversal of 20004310546475 is 57464501340002.

It is not a de Polignac number, because 20004310546475 - 2² = 20004310546471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20004310546471) 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 11 ways as a sum of consecutive naturals, for example, 43462919 + ... + 43920768.

It is an arithmetic number, because the mean of its divisors is an integer number (2067337854652).

Almost surely, 2^{20004310546475} is an apocalyptic number.

20004310546475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20004310546475 is a deficient number, since it is larger than the sum of its proper divisors (4803743709349).

20004310546475 is an equidigital number, since it uses as much as digits as its factorization.

20004310546475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87392854 (or 87392849 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

Adding to 20004310546475 its reverse (57464501340002), we get a palindrome (77468811886477).

The spelling of 20004310546475 in words is "twenty trillion, four billion, three hundred ten million, five hundred forty-six thousand, four hundred seventy-five".