20042430032 has 40 divisors (see below), whose sum is σ = 39750015360. Its totient is φ = 9784535040.

The previous prime is 20042429987. The next prime is 20042430061. The reversal of 20042430032 is 23003424002.

It is a junction number, because it is equal to n+sod(n) for n = 20042429986 and 20042430013.

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 in 7 ways as a sum of consecutive naturals, for example, 3596144 + ... + 3601712.

It is an arithmetic number, because the mean of its divisors is an integer number (993750384).

Almost surely, 2^20042430032 is an apocalyptic number.

It is an amenable number.

20042430032 is a deficient number, since it is larger than the sum of its proper divisors (19707585328).

20042430032 is a wasteful number, since it uses less digits than its factorization.

20042430032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10851 (or 10845 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20042430032 its reverse (23003424002), we get a palindrome (43045854034).

The spelling of 20042430032 in words is "twenty billion, forty-two million, four hundred thirty thousand, thirty-two".