20050112 has 56 divisors (see below), whose sum is σ = 42464736. Its totient is φ = 9371648.

The previous prime is 20050109. The next prime is 20050117. The reversal of 20050112 is 21105002.

It is a junction number, because it is equal to n+sod(n) for n = 20050093 and 20050102.

It is not an unprimeable number, because it can be changed into a prime (20050117) 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, 77888 + ... + 78144.

Almost surely, 2^20050112 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 20050112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21232368).

20050112 is an abundant number, since it is smaller than the sum of its proper divisors (22414624).

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

20050112 is a wasteful number, since it uses less digits than its factorization.

20050112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 20050112 is about 4477.7351417876. The cubic root of 20050112 is about 271.6682807353.

Adding to 20050112 its reverse (21105002), we get a palindrome (41155114).

The spelling of 20050112 in words is "twenty million, fifty thousand, one hundred twelve".