13864774020 has 96 divisors (see below), whose sum is σ = 39807694080. Its totient is φ = 3603517440.

The previous prime is 13864774013. The next prime is 13864774043. The reversal of 13864774020 is 2047746831.

13864774020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3242604 + ... + 3246876.

It is an arithmetic number, because the mean of its divisors is an integer number (414663480).

Almost surely, 2^13864774020 is an apocalyptic number.

13864774020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13864774020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19903847040).

13864774020 is an abundant number, since it is smaller than the sum of its proper divisors (25942920060).

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

13864774020 is a wasteful number, since it uses less digits than its factorization.

13864774020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645 (or 5643 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 13864774020 in words is "thirteen billion, eight hundred sixty-four million, seven hundred seventy-four thousand, twenty".