13020334421 has 8 divisors (see below), whose sum is σ = 14178223200. Its totient is φ = 11909706480.

The previous prime is 13020334403. The next prime is 13020334427. The reversal of 13020334421 is 12443302031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13020334421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020334427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11814635 + ... + 11815736.

It is an arithmetic number, because the mean of its divisors is an integer number (1772277900).

Almost surely, 2^13020334421 is an apocalyptic number.

It is an amenable number.

13020334421 is a deficient number, since it is larger than the sum of its proper divisors (1157888779).

13020334421 is a wasteful number, since it uses less digits than its factorization.

13020334421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23630419.

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

Adding to 13020334421 its reverse (12443302031), we get a palindrome (25463636452).

The spelling of 13020334421 in words is "thirteen billion, twenty million, three hundred thirty-four thousand, four hundred twenty-one".