13533435020 has 96 divisors (see below), whose sum is σ = 33582366720. Its totient is φ = 4483077120.

The previous prime is 13533435001. The next prime is 13533435023. The reversal of 13533435020 is 2053433531.

13533435020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13533435023) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3118292 + ... + 3122628.

It is an arithmetic number, because the mean of its divisors is an integer number (349816320).

Almost surely, 2^13533435020 is an apocalyptic number.

13533435020 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 13533435020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16791183360).

13533435020 is an abundant number, since it is smaller than the sum of its proper divisors (20048931700).

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

13533435020 is a wasteful number, since it uses less digits than its factorization.

13533435020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103 (or 5101 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 13533435020 its reverse (2053433531), we get a palindrome (15586868551).

The spelling of 13533435020 in words is "thirteen billion, five hundred thirty-three million, four hundred thirty-five thousand, twenty".