13394515020 has 24 divisors (see below), whose sum is σ = 37504642224. Its totient is φ = 3571870656.

The previous prime is 13394515019. The next prime is 13394515021. The reversal of 13394515020 is 2051549331.

It is an interprime number because it is at equal distance from previous prime (13394515019) and next prime (13394515021).

It is not an unprimeable number, because it can be changed into a prime (13394515021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111620899 + ... + 111621018.

It is an arithmetic number, because the mean of its divisors is an integer number (1562693426).

Almost surely, 2^13394515020 is an apocalyptic number.

13394515020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13394515020 is an abundant number, since it is smaller than the sum of its proper divisors (24110127204).

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

13394515020 is a wasteful number, since it uses less digits than its factorization.

13394515020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223241929 (or 223241927 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 13394515020 in words is "thirteen billion, three hundred ninety-four million, five hundred fifteen thousand, twenty".