10520030520 has 80 divisors (see below), whose sum is σ = 35359002360. Its totient is φ = 2805340608.

The previous prime is 10520030503. The next prime is 10520030611. The reversal of 10520030520 is 2503002501.

It is a happy number.

10520030520 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 2×10520030520² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10520030493 and 10520030502.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 1620222 + ... + 1626701.

Almost surely, 2^10520030520 is an apocalyptic number.

10520030520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10520030520 is an abundant number, since it is smaller than the sum of its proper divisors (24838971840).

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

10520030520 is a wasteful number, since it uses less digits than its factorization.

10520030520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246946 (or 3246933 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The spelling of 10520030520 in words is "ten billion, five hundred twenty million, thirty thousand, five hundred twenty".