13020322604 has 24 divisors (see below), whose sum is σ = 23470321056. Its totient is φ = 6316272000.

The previous prime is 13020322583. The next prime is 13020322621. The reversal of 13020322604 is 40622302031.

It is a self number, because there is not a number n which added to its sum of digits gives 13020322604.

It is an unprimeable number.

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, 189632 + ... + 248999.

It is an arithmetic number, because the mean of its divisors is an integer number (977930044).

Almost surely, 2^13020322604 is an apocalyptic number.

It is an amenable number.

13020322604 is a deficient number, since it is larger than the sum of its proper divisors (10449998452).

13020322604 is a wasteful number, since it uses less digits than its factorization.

13020322604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438857 (or 438855 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13020322604 its reverse (40622302031), we get a palindrome (53642624635).

The spelling of 13020322604 in words is "thirteen billion, twenty million, three hundred twenty-two thousand, six hundred four".