20482806845 has 8 divisors (see below), whose sum is σ = 24946224864. Its totient is φ = 16141674384.

The previous prime is 20482806811. The next prime is 20482806853. The reversal of 20482806845 is 54860828402.

It is a happy number.

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 20482806845 - 2¹² = 20482802749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20482806845.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30571019 + ... + 30571688.

It is an arithmetic number, because the mean of its divisors is an integer number (3118278108).

Almost surely, 2^20482806845 is an apocalyptic number.

It is an amenable number.

20482806845 is a deficient number, since it is larger than the sum of its proper divisors (4463418019).

20482806845 is an equidigital number, since it uses as much as digits as its factorization.

20482806845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61142779.

The product of its (nonzero) digits is 983040, while the sum is 47.

The spelling of 20482806845 in words is "twenty billion, four hundred eighty-two million, eight hundred six thousand, eight hundred forty-five".