13864315220 has 24 divisors (see below), whose sum is σ = 33274356864. Its totient is φ = 4753479456.

The previous prime is 13864315183. The next prime is 13864315229. The reversal of 13864315220 is 2251346831.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13864315229) 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, 49515272 + ... + 49515551.

It is an arithmetic number, because the mean of its divisors is an integer number (1386431536).

Almost surely, 2^13864315220 is an apocalyptic number.

13864315220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13864315220 is an abundant number, since it is smaller than the sum of its proper divisors (19410041644).

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

13864315220 is a wasteful number, since it uses less digits than its factorization.

13864315220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99030839 (or 99030837 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 13864315220 in words is "thirteen billion, eight hundred sixty-four million, three hundred fifteen thousand, two hundred twenty".