10020505105 has 64 divisors (see below), whose sum is σ = 13795246080. Its totient is φ = 6931685376.

The previous prime is 10020505097. The next prime is 10020505147. The reversal of 10020505105 is 50150502001.

It is a cyclic number.

It is not a de Polignac number, because 10020505105 - 2³ = 10020505097 is a prime.

It is a super-2 number, since 2×10020505105² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16897689 + ... + 16898281.

It is an arithmetic number, because the mean of its divisors is an integer number (215550720).

Almost surely, 2^10020505105 is an apocalyptic number.

It is an amenable number.

10020505105 is a deficient number, since it is larger than the sum of its proper divisors (3774740975).

10020505105 is a wasteful number, since it uses less digits than its factorization.

10020505105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 250, while the sum is 19.

The spelling of 10020505105 in words is "ten billion, twenty million, five hundred five thousand, one hundred five".