19920703023424 has 56 divisors (see below), whose sum is σ = 45194049921600. Its totient is φ = 8534280446976.

The previous prime is 19920703023401. The next prime is 19920703023439. The reversal of 19920703023424 is 42432030702991.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7028317 + ... + 9446620.

Almost surely, 2^{19920703023424} is an apocalyptic number.

19920703023424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19920703023424 is an abundant number, since it is smaller than the sum of its proper divisors (25273346898176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19920703023424 is a wasteful number, since it uses less digits than its factorization.

19920703023424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16477655 (or 16477645 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 19920703023424 in words is "nineteen trillion, nine hundred twenty billion, seven hundred three million, twenty-three thousand, four hundred twenty-four".