20131119084 has 12 divisors (see below), whose sum is σ = 46972611224. Its totient is φ = 6710373024.

The previous prime is 20131119083. The next prime is 20131119089. The reversal of 20131119084 is 48091113102.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20131119083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838796617 + ... + 838796640.

Almost surely, 2^20131119084 is an apocalyptic number.

It is an amenable number.

20131119084 is an abundant number, since it is smaller than the sum of its proper divisors (26841492140).

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

20131119084 is a wasteful number, since it uses less digits than its factorization.

20131119084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677593264 (or 1677593262 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 20131119084 in words is "twenty billion, one hundred thirty-one million, one hundred nineteen thousand, eighty-four".