13820415602 has 96 divisors (see below), whose sum is σ = 25567394688. Its totient is φ = 5579207424.

The previous prime is 13820415601. The next prime is 13820415613. The reversal of 13820415602 is 20651402831.

It is not an unprimeable number, because it can be changed into a prime (13820415601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21360443 + ... + 21361089.

It is an arithmetic number, because the mean of its divisors is an integer number (266327028).

Almost surely, 2^13820415602 is an apocalyptic number.

13820415602 is a deficient number, since it is larger than the sum of its proper divisors (11746979086).

13820415602 is a wasteful number, since it uses less digits than its factorization.

13820415602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 13820415602 in words is "thirteen billion, eight hundred twenty million, four hundred fifteen thousand, six hundred two".