19933996424 has 32 divisors (see below), whose sum is σ = 38059593120. Its totient is φ = 9786422016.

The previous prime is 19933996421. The next prime is 19933996483. The reversal of 19933996424 is 42469933991.

It is not an unprimeable number, because it can be changed into a prime (19933996421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6314 + ... + 199769.

It is an arithmetic number, because the mean of its divisors is an integer number (1189362285).

Almost surely, 2^19933996424 is an apocalyptic number.

It is an amenable number.

19933996424 is a deficient number, since it is larger than the sum of its proper divisors (18125596696).

19933996424 is a wasteful number, since it uses less digits than its factorization.

19933996424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206309 (or 206305 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 59.

The spelling of 19933996424 in words is "nineteen billion, nine hundred thirty-three million, nine hundred ninety-six thousand, four hundred twenty-four".