20042430008 has 16 divisors (see below), whose sum is σ = 37585350000. Its totient is φ = 10019670016.

The previous prime is 20042429987. The next prime is 20042430061. The reversal of 20042430008 is 80003424002.

It is a congruent number.

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, 137033 + ... + 242616.

It is an arithmetic number, because the mean of its divisors is an integer number (2349084375).

Almost surely, 2^20042430008 is an apocalyptic number.

It is an amenable number.

20042430008 is a deficient number, since it is larger than the sum of its proper divisors (17542919992).

20042430008 is a wasteful number, since it uses less digits than its factorization.

20042430008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386254 (or 386250 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The spelling of 20042430008 in words is "twenty billion, forty-two million, four hundred thirty thousand, eight".