10020503525 has 24 divisors (see below), whose sum is σ = 12845401800. Its totient is φ = 7749043200.

The previous prime is 10020503513. The next prime is 10020503533. The reversal of 10020503525 is 52530502001.

It can be written as a sum of positive squares in 12 ways, for example, as 3525271876 + 6495231649 = 59374^2 + 80593^2 .

It is not a de Polignac number, because 10020503525 - 2⁴ = 10020503509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10020503525.

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 23 ways as a sum of consecutive naturals, for example, 66881 + ... + 156569.

It is an arithmetic number, because the mean of its divisors is an integer number (535225075).

Almost surely, 2^10020503525 is an apocalyptic number.

It is an amenable number.

10020503525 is a deficient number, since it is larger than the sum of its proper divisors (2824898275).

10020503525 is a wasteful number, since it uses less digits than its factorization.

10020503525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89849 (or 89844 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The spelling of 10020503525 in words is "ten billion, twenty million, five hundred three thousand, five hundred twenty-five".