19954112 has 28 divisors (see below), whose sum is σ = 40148256. Its totient is φ = 9838080.

The previous prime is 19954097. The next prime is 19954139. The reversal of 19954112 is 21145991.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 2537 + ... + 6807.

Almost surely, 2^19954112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19954112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20074128).

19954112 is an abundant number, since it is smaller than the sum of its proper divisors (20194144).

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

19954112 is an equidigital number, since it uses as much as digits as its factorization.

19954112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356 (or 4346 counting only the distinct ones).

The product of its digits is 3240, while the sum is 32.

The square root of 19954112 is about 4467.0025744340. The cubic root of 19954112 is about 271.2340040260.

The spelling of 19954112 in words is "nineteen million, nine hundred fifty-four thousand, one hundred twelve".