10502320520 has 64 divisors (see below), whose sum is σ = 25146288000. Its totient is φ = 3933895680.

The previous prime is 10502320511. The next prime is 10502320561. The reversal of 10502320520 is 2502320501.

10502320520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10502320520² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10502320492 and 10502320501.

It is an unprimeable number.

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, 96515 + ... + 174125.

It is an arithmetic number, because the mean of its divisors is an integer number (392910750).

Almost surely, 2^10502320520 is an apocalyptic number.

10502320520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10502320520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12573144000).

10502320520 is an abundant number, since it is smaller than the sum of its proper divisors (14643967480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10502320520 is a wasteful number, since it uses less digits than its factorization.

10502320520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77838 (or 77834 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The spelling of 10502320520 in words is "ten billion, five hundred two million, three hundred twenty thousand, five hundred twenty".