13220501235 has 8 divisors (see below), whose sum is σ = 21152802000. Its totient is φ = 7050933984.

The previous prime is 13220501227. The next prime is 13220501251. The reversal of 13220501235 is 53210502231.

It is a happy number.

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

It is not a de Polignac number, because 13220501235 - 2³ = 13220501227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440683360 + ... + 440683389.

It is an arithmetic number, because the mean of its divisors is an integer number (2644100250).

Almost surely, 2^13220501235 is an apocalyptic number.

13220501235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13220501235 is a deficient number, since it is larger than the sum of its proper divisors (7932300765).

13220501235 is an equidigital number, since it uses as much as digits as its factorization.

13220501235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881366757.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 13220501235 in words is "thirteen billion, two hundred twenty million, five hundred one thousand, two hundred thirty-five".