13020227755532 has 24 divisors (see below), whose sum is σ = 23984747384640. Its totient is φ = 6167446140240.

The previous prime is 13020227755511. The next prime is 13020227755537. The reversal of 13020227755532 is 23555772202031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13020227755537) 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, 26669003 + ... + 27152829.

It is an arithmetic number, because the mean of its divisors is an integer number (999364474360).

Almost surely, 2^{13020227755532} is an apocalyptic number.

It is an amenable number.

13020227755532 is a deficient number, since it is larger than the sum of its proper divisors (10964519629108).

13020227755532 is a wasteful number, since it uses less digits than its factorization.

13020227755532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837941 (or 837939 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 44.

Adding to 13020227755532 its reverse (23555772202031), we get a palindrome (36575999957563).

The spelling of 13020227755532 in words is "thirteen trillion, twenty billion, two hundred twenty-seven million, seven hundred fifty-five thousand, five hundred thirty-two".