13534231020 has 48 divisors (see below), whose sum is σ = 38375554560. Its totient is φ = 3563441856.

The previous prime is 13534230971. The next prime is 13534231033. The reversal of 13534231020 is 2013243531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1422922 + ... + 1432401.

It is an arithmetic number, because the mean of its divisors is an integer number (799490720).

Almost surely, 2^13534231020 is an apocalyptic number.

13534231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13534231020 is an abundant number, since it is smaller than the sum of its proper divisors (24841323540).

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

13534231020 is a wasteful number, since it uses less digits than its factorization.

13534231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855414 (or 2855412 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 13534231020 its reverse (2013243531), we get a palindrome (15547474551).

The spelling of 13534231020 in words is "thirteen billion, five hundred thirty-four million, two hundred thirty-one thousand, twenty".