13618472020 has 48 divisors (see below), whose sum is σ = 28870103808. Its totient is φ = 5395927680.

The previous prime is 13618471967. The next prime is 13618472027. The reversal of 13618472020 is 2027481631.

13618472020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13618472027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1032789 + ... + 1045891.

It is an arithmetic number, because the mean of its divisors is an integer number (601460496).

Almost surely, 2^13618472020 is an apocalyptic number.

13618472020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13618472020 is an abundant number, since it is smaller than the sum of its proper divisors (15251631788).

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

13618472020 is a wasteful number, since it uses less digits than its factorization.

13618472020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13600 (or 13598 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 13618472020 in words is "thirteen billion, six hundred eighteen million, four hundred seventy-two thousand, twenty".