20180843318 has 8 divisors (see below), whose sum is σ = 30311255712. Its totient is φ = 10077091416.

The previous prime is 20180843311. The next prime is 20180843359. The reversal of 20180843318 is 81334808102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20180843311) 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, 6663230 + ... + 6666257.

It is an arithmetic number, because the mean of its divisors is an integer number (3788906964).

Almost surely, 2^20180843318 is an apocalyptic number.

20180843318 is a deficient number, since it is larger than the sum of its proper divisors (10130412394).

20180843318 is a wasteful number, since it uses less digits than its factorization.

20180843318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13330246.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 20180843318 in words is "twenty billion, one hundred eighty million, eight hundred forty-three thousand, three hundred eighteen".