13453533420 has 48 divisors (see below), whose sum is σ = 37675921920. Its totient is φ = 3587034816.

The previous prime is 13453533371. The next prime is 13453533427. The reversal of 13453533420 is 2433535431.

It is a super-2 number, since 2×13453533420² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13453533427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469629 + ... + 497451.

It is an arithmetic number, because the mean of its divisors is an integer number (784915040).

Almost surely, 2^13453533420 is an apocalyptic number.

13453533420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13453533420 is an abundant number, since it is smaller than the sum of its proper divisors (24222388500).

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

13453533420 is a wasteful number, since it uses less digits than its factorization.

13453533420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35894 (or 35892 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 33.

The spelling of 13453533420 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-three thousand, four hundred twenty".