13155202005420 has 96 divisors (see below), whose sum is σ = 36967499976960. Its totient is φ = 3495395324160.

The previous prime is 13155202005391. The next prime is 13155202005497. The reversal of 13155202005420 is 2450020255131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349955986 + ... + 349993574.

It is an arithmetic number, because the mean of its divisors is an integer number (385078124760).

Almost surely, 2^{13155202005420} is an apocalyptic number.

13155202005420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13155202005420 is an abundant number, since it is smaller than the sum of its proper divisors (23812297971540).

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

13155202005420 is a wasteful number, since it uses less digits than its factorization.

13155202005420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58495 (or 58493 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 13155202005420 in words is "thirteen trillion, one hundred fifty-five billion, two hundred two million, five thousand, four hundred twenty".