20451050005313 has 16 divisors (see below), whose sum is σ = 21671019002880. Its totient is φ = 19232968694016.

The previous prime is 20451050005247. The next prime is 20451050005363. The reversal of 20451050005313 is 31350005015402.

It is not a de Polignac number, because 20451050005313 - 2³⁰ = 20449976263489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20451050005363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308210606 + ... + 308276952.

It is an arithmetic number, because the mean of its divisors is an integer number (1354438687680).

Almost surely, 2^{20451050005313} is an apocalyptic number.

It is an amenable number.

20451050005313 is a deficient number, since it is larger than the sum of its proper divisors (1219968997567).

20451050005313 is a wasteful number, since it uses less digits than its factorization.

20451050005313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80296.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 20451050005313 in words is "twenty trillion, four hundred fifty-one billion, fifty million, five thousand, three hundred thirteen".