20031202042 has 8 divisors (see below), whose sum is σ = 30178012500. Its totient is φ = 9971864544.

The previous prime is 20031202039. The next prime is 20031202073. The reversal of 20031202042 is 24020213002.

It can be written as a sum of positive squares in 2 ways, for example, as 13595793201 + 6435408841 = 116601^2 + 80221^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21867667 + ... + 21868582.

Almost surely, 2^20031202042 is an apocalyptic number.

20031202042 is a deficient number, since it is larger than the sum of its proper divisors (10146810458).

20031202042 is a wasteful number, since it uses less digits than its factorization.

20031202042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43736480.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20031202042 its reverse (24020213002), we get a palindrome (44051415044).

The spelling of 20031202042 in words is "twenty billion, thirty-one million, two hundred two thousand, forty-two".