13520012030 has 32 divisors (see below), whose sum is σ = 29021842944. Its totient is φ = 4433891616.

The previous prime is 13520012029. The next prime is 13520012063. The reversal of 13520012030 is 3021002531.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 4197152 + ... + 4200371.

It is an arithmetic number, because the mean of its divisors is an integer number (906932592).

Almost surely, 2^13520012030 is an apocalyptic number.

13520012030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13520012030 is an abundant number, since it is smaller than the sum of its proper divisors (15501830914).

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

13520012030 is a wasteful number, since it uses less digits than its factorization.

13520012030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8397560.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 13520012030 its reverse (3021002531), we get a palindrome (16541014561).

The spelling of 13520012030 in words is "thirteen billion, five hundred twenty million, twelve thousand, thirty".