13220220334 has 8 divisors (see below), whose sum is σ = 19831234248. Its totient is φ = 6609808920.

The previous prime is 13220220281. The next prime is 13220220367. The reversal of 13220220334 is 43302202231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91057 + ... + 186364.

It is an arithmetic number, because the mean of its divisors is an integer number (2478904281).

Almost surely, 2^13220220334 is an apocalyptic number.

13220220334 is a deficient number, since it is larger than the sum of its proper divisors (6611013914).

13220220334 is a wasteful number, since it uses less digits than its factorization.

13220220334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301250.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 13220220334 its reverse (43302202231), we get a palindrome (56522422565).

The spelling of 13220220334 in words is "thirteen billion, two hundred twenty million, two hundred twenty thousand, three hundred thirty-four".