13303443420 has 72 divisors (see below), whose sum is σ = 40503939840. Its totient is φ = 3534384000.

The previous prime is 13303443403. The next prime is 13303443463. The reversal of 13303443420 is 2434430331.

13303443420 is a `hidden beast` number, since 13 + 303 + 4 + 4 + 342 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88956 + ... + 185795.

It is an arithmetic number, because the mean of its divisors is an integer number (562554720).

Almost surely, 2^13303443420 is an apocalyptic number.

13303443420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13303443420 is an abundant number, since it is smaller than the sum of its proper divisors (27200496420).

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

13303443420 is a wasteful number, since it uses less digits than its factorization.

13303443420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275035 (or 275030 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 13303443420 its reverse (2434430331), we get a palindrome (15737873751).

The spelling of 13303443420 in words is "thirteen billion, three hundred three million, four hundred forty-three thousand, four hundred twenty".