9920142004 has 6 divisors (see below), whose sum is σ = 17360248514. Its totient is φ = 4960071000.

The previous prime is 9920141981. The next prime is 9920142017. The reversal of 9920142004 is 4002410299.

It is a happy number.

9920142004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7926340900 + 1993801104 = 89030^2 + 44652^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240017747 + ... + 1240017754.

Almost surely, 2^9920142004 is an apocalyptic number.

It is an amenable number.

9920142004 is a deficient number, since it is larger than the sum of its proper divisors (7440106510).

9920142004 is a wasteful number, since it uses less digits than its factorization.

9920142004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480035505 (or 2480035503 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 9920142004 is about 99599.9096585936. The cubic root of 9920142004 is about 2148.6843946280.

The spelling of 9920142004 in words is "nine billion, nine hundred twenty million, one hundred forty-two thousand, four".