20140002142 has 16 divisors (see below), whose sum is σ = 32992075872. Its totient is φ = 9164463840.

The previous prime is 20140002139. The next prime is 20140002143. The reversal of 20140002142 is 24120004102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140002143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5453193 + ... + 5456884.

It is an arithmetic number, because the mean of its divisors is an integer number (2062004742).

Almost surely, 2^20140002142 is an apocalyptic number.

20140002142 is a deficient number, since it is larger than the sum of its proper divisors (12852073730).

20140002142 is a wasteful number, since it uses less digits than its factorization.

20140002142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910163.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20140002142 its reverse (24120004102), we get a palindrome (44260006244).

The spelling of 20140002142 in words is "twenty billion, one hundred forty million, two thousand, one hundred forty-two".