20140143104 has 80 divisors (see below), whose sum is σ = 41475137088. Its totient is φ = 9763172352.

The previous prime is 20140143061. The next prime is 20140143109. The reversal of 20140143104 is 40134104102.

It is not an unprimeable number, because it can be changed into a prime (20140143109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5814077 + ... + 5817539.

Almost surely, 2^20140143104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20140143104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20737568544).

20140143104 is an abundant number, since it is smaller than the sum of its proper divisors (21334993984).

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

20140143104 is an equidigital number, since it uses as much as digits as its factorization.

20140143104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825 (or 3809 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20140143104 its reverse (40134104102), we get a palindrome (60274247206).

The spelling of 20140143104 in words is "twenty billion, one hundred forty million, one hundred forty-three thousand, one hundred four".