13443020022400 has 96 divisors (see below), whose sum is σ = 34956274262400. Its totient is φ = 5094197038080.

The previous prime is 13443020022347. The next prime is 13443020022401. The reversal of 13443020022400 is 422002034431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (13443020022401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110490352 + ... + 110611951.

It is an arithmetic number, because the mean of its divisors is an integer number (364127856900).

Almost surely, 2^{13443020022400} is an apocalyptic number.

13443020022400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13443020022400 is an abundant number, since it is smaller than the sum of its proper divisors (21513254240000).

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

13443020022400 is a wasteful number, since it uses less digits than its factorization.

13443020022400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221102346 (or 221102329 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 13443020022400 its reverse (422002034431), we get a palindrome (13865022056831).

The spelling of 13443020022400 in words is "thirteen trillion, four hundred forty-three billion, twenty million, twenty-two thousand, four hundred".