20193112 has 8 divisors (see below), whose sum is σ = 37862100. Its totient is φ = 10096552.

The previous prime is 20193097. The next prime is 20193113. The reversal of 20193112 is 21139102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20193112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20193113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262062 + ... + 1262077.

Almost surely, 2^20193112 is an apocalyptic number.

It is an amenable number.

20193112 is a deficient number, since it is larger than the sum of its proper divisors (17668988).

20193112 is a wasteful number, since it uses less digits than its factorization.

20193112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524145 (or 2524141 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 20193112 is about 4493.6746655716. The cubic root of 20193112 is about 272.3126091510.

The spelling of 20193112 in words is "twenty million, one hundred ninety-three thousand, one hundred twelve".