20140403042 has 4 divisors (see below), whose sum is σ = 30210604566. Its totient is φ = 10070201520.

The previous prime is 20140403033. The next prime is 20140403057. The reversal of 20140403042 is 24030404102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19582923721 + 557479321 = 139939^2 + 23611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5035100759 + ... + 5035100762.

Almost surely, 2^20140403042 is an apocalyptic number.

20140403042 is a deficient number, since it is larger than the sum of its proper divisors (10070201524).

20140403042 is a wasteful number, since it uses less digits than its factorization.

20140403042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10070201523.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20140403042 its reverse (24030404102), we get a palindrome (44170807144).

The spelling of 20140403042 in words is "twenty billion, one hundred forty million, four hundred three thousand, forty-two".