14187680020 has 12 divisors (see below), whose sum is σ = 29794128084. Its totient is φ = 5675072000.

The previous prime is 14187679997. The next prime is 14187680029. The reversal of 14187680020 is 2008678141.

It can be written as a sum of positive squares in 2 ways, for example, as 4104708624 + 10082971396 = 64068^2 + 100414^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14187680029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354691981 + ... + 354692020.

It is an arithmetic number, because the mean of its divisors is an integer number (2482844007).

Almost surely, 2^14187680020 is an apocalyptic number.

14187680020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14187680020 is an abundant number, since it is smaller than the sum of its proper divisors (15606448064).

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

14187680020 is a wasteful number, since it uses less digits than its factorization.

14187680020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709384010 (or 709384008 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 14187680020 in words is "fourteen billion, one hundred eighty-seven million, six hundred eighty thousand, twenty".