13220220332 has 48 divisors (see below), whose sum is σ = 25520140800. Its totient is φ = 5942534400.

The previous prime is 13220220281. The next prime is 13220220367. The reversal of 13220220332 is 23302202231.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1457732 + ... + 1466772.

It is an arithmetic number, because the mean of its divisors is an integer number (531669600).

Almost surely, 2^13220220332 is an apocalyptic number.

It is an amenable number.

13220220332 is a deficient number, since it is larger than the sum of its proper divisors (12299920468).

13220220332 is a wasteful number, since it uses less digits than its factorization.

13220220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9422 (or 9420 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13220220332 its reverse (23302202231), we get a palindrome (36522422563).

The spelling of 13220220332 in words is "thirteen billion, two hundred twenty million, two hundred twenty thousand, three hundred thirty-two".