13420180736 has 36 divisors (see below), whose sum is σ = 27652082304. Its totient is φ = 6493632000.

The previous prime is 13420180729. The next prime is 13420180759. The reversal of 13420180736 is 63708102431.

It is a junction number, because it is equal to n+sod(n) for n = 13420180696 and 13420180705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837590 + ... + 853461.

Almost surely, 2^13420180736 is an apocalyptic number.

13420180736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13420180736 is an abundant number, since it is smaller than the sum of its proper divisors (14231901568).

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

13420180736 is an equidigital number, since it uses as much as digits as its factorization.

13420180736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691098 (or 1691084 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 13420180736 in words is "thirteen billion, four hundred twenty million, one hundred eighty thousand, seven hundred thirty-six".