13020333329 has 4 divisors (see below), whose sum is σ = 13021040676. Its totient is φ = 13019625984.

The previous prime is 13020333299. The next prime is 13020333401. The reversal of 13020333329 is 92333302031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6205500625 + 6814832704 = 78775^2 + 82552^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020333329 - 2²⁰ = 13019284753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13020333229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325304 + ... + 363129.

It is an arithmetic number, because the mean of its divisors is an integer number (3255260169).

Almost surely, 2^13020333329 is an apocalyptic number.

It is an amenable number.

13020333329 is a deficient number, since it is larger than the sum of its proper divisors (707347).

13020333329 is an equidigital number, since it uses as much as digits as its factorization.

13020333329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707346.

The product of its (nonzero) digits is 8748, while the sum is 29.

The spelling of 13020333329 in words is "thirteen billion, twenty million, three hundred thirty-three thousand, three hundred twenty-nine".