13820870752 has 48 divisors (see below), whose sum is σ = 30576964320. Its totient is φ = 6101517312.

The previous prime is 13820870741. The next prime is 13820870753. The reversal of 13820870752 is 25707802831.

It is a junction number, because it is equal to n+sod(n) for n = 13820870699 and 13820870708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13820870753) 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, 712677 + ... + 731812.

It is an arithmetic number, because the mean of its divisors is an integer number (637020090).

Almost surely, 2^13820870752 is an apocalyptic number.

It is an amenable number.

13820870752 is an abundant number, since it is smaller than the sum of its proper divisors (16756093568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13820870752 is a wasteful number, since it uses less digits than its factorization.

13820870752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444535 (or 1444527 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 13820870752 in words is "thirteen billion, eight hundred twenty million, eight hundred seventy thousand, seven hundred fifty-two".