20040112 has 10 divisors (see below), whose sum is σ = 38827748. Its totient is φ = 10020048.

The previous prime is 20040071. The next prime is 20040133. The reversal of 20040112 is 21104002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626238 + ... + 626269.

Almost surely, 2^20040112 is an apocalyptic number.

It is an amenable number.

20040112 is a deficient number, since it is larger than the sum of its proper divisors (18787636).

20040112 is a wasteful number, since it uses less digits than its factorization.

20040112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252515 (or 1252509 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 20040112 is about 4476.6183665798. The cubic root of 20040112 is about 271.6231083429.

Adding to 20040112 its reverse (21104002), we get a palindrome (41144114).

The spelling of 20040112 in words is "twenty million, forty thousand, one hundred twelve".