20424403982 has 8 divisors (see below), whose sum is σ = 30643275576. Its totient is φ = 10209978792.

The previous prime is 20424403969. The next prime is 20424404029. The reversal of 20424403982 is 28930442402.

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

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, 1100093 + ... + 1118504.

It is an arithmetic number, because the mean of its divisors is an integer number (3830409447).

Almost surely, 2^20424403982 is an apocalyptic number.

20424403982 is a deficient number, since it is larger than the sum of its proper divisors (10218871594).

20424403982 is a wasteful number, since it uses less digits than its factorization.

20424403982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223202.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 20424403982 in words is "twenty billion, four hundred twenty-four million, four hundred three thousand, nine hundred eighty-two".