13368655420 has 24 divisors (see below), whose sum is σ = 28550012400. Its totient is φ = 5256826752.

The previous prime is 13368655387. The next prime is 13368655429. The reversal of 13368655420 is 2455686331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13368655429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5663505 + ... + 5665864.

It is an arithmetic number, because the mean of its divisors is an integer number (1189583850).

Almost surely, 2^13368655420 is an apocalyptic number.

13368655420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13368655420 is an abundant number, since it is smaller than the sum of its proper divisors (15181356980).

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

13368655420 is a wasteful number, since it uses less digits than its factorization.

13368655420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11329437 (or 11329435 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 13368655420 in words is "thirteen billion, three hundred sixty-eight million, six hundred fifty-five thousand, four hundred twenty".