13533089920 has 64 divisors (see below), whose sum is σ = 36974347200. Its totient is φ = 4639915008.

The previous prime is 13533089909. The next prime is 13533089953. The reversal of 13533089920 is 2998033531.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1505910 + ... + 1514869.

It is an arithmetic number, because the mean of its divisors is an integer number (577724175).

Almost surely, 2^13533089920 is an apocalyptic number.

13533089920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13533089920 is an abundant number, since it is smaller than the sum of its proper divisors (23441257280).

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

13533089920 is an equidigital number, since it uses as much as digits as its factorization.

13533089920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020805 (or 3020793 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 13533089920 in words is "thirteen billion, five hundred thirty-three million, eighty-nine thousand, nine hundred twenty".