20260510513617 has 16 divisors (see below), whose sum is σ = 30486034630080. Its totient is φ = 11855680132800.

The previous prime is 20260510513597. The next prime is 20260510513631. The reversal of 20260510513617 is 71631501506202.

It is not a de Polignac number, because 20260510513617 - 2⁶ = 20260510513553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20260510513657) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10585427734 + ... + 10585429647.

It is an arithmetic number, because the mean of its divisors is an integer number (1905377164380).

Almost surely, 2^{20260510513617} is an apocalyptic number.

It is an amenable number.

20260510513617 is a deficient number, since it is larger than the sum of its proper divisors (10225524116463).

20260510513617 is a wasteful number, since it uses less digits than its factorization.

20260510513617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21170857424.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 20260510513617 in words is "twenty trillion, two hundred sixty billion, five hundred ten million, five hundred thirteen thousand, six hundred seventeen".