19942112 has 24 divisors (see below), whose sum is σ = 40324536. Its totient is φ = 9700992.

The previous prime is 19942099. The next prime is 19942123. The reversal of 19942112 is 21124991.

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, 7238 + ... + 9605.

It is an arithmetic number, because the mean of its divisors is an integer number (1680189).

Almost surely, 2^19942112 is an apocalyptic number.

It is an amenable number.

19942112 is an abundant number, since it is smaller than the sum of its proper divisors (20382424).

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

19942112 is a wasteful number, since it uses less digits than its factorization.

19942112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16890 (or 16882 counting only the distinct ones).

The product of its digits is 1296, while the sum is 29.

The square root of 19942112 is about 4465.6591898621. The cubic root of 19942112 is about 271.1796215722.

The spelling of 19942112 in words is "nineteen million, nine hundred forty-two thousand, one hundred twelve".