20318160384 has 120 divisors (see below), whose sum is σ = 58810412232. Its totient is φ = 6752993280.

The previous prime is 20318160361. The next prime is 20318160407. The reversal of 20318160384 is 48306181302.

20318160384 is a `hidden beast` number, since 203 + 18 + 1 + 60 + 384 = 666.

It is an interprime number because it is at equal distance from previous prime (20318160361) and next prime (20318160407).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1620379 + ... + 1632869.

Almost surely, 2^20318160384 is an apocalyptic number.

20318160384 is a gapful number since it is divisible by the number (24) 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 20318160384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29405206116).

20318160384 is an abundant number, since it is smaller than the sum of its proper divisors (38492251848).

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

20318160384 is a wasteful number, since it uses less digits than its factorization.

20318160384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12868 (or 12849 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 20318160384 in words is "twenty billion, three hundred eighteen million, one hundred sixty thousand, three hundred eighty-four".