20450016451112 has 32 divisors (see below), whose sum is σ = 38969168340000. Its totient is φ = 10058654637504.

The previous prime is 20450016451103. The next prime is 20450016451153. The reversal of 20450016451112 is 21115461005402.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25632362 + ... + 26418137.

It is an arithmetic number, because the mean of its divisors is an integer number (1217786510625).

Almost surely, 2^{20450016451112} is an apocalyptic number.

It is an amenable number.

20450016451112 is a deficient number, since it is larger than the sum of its proper divisors (18519151888888).

20450016451112 is a wasteful number, since it uses less digits than its factorization.

20450016451112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52051305 (or 52051301 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 20450016451112 its reverse (21115461005402), we get a palindrome (41565477456514).

The spelling of 20450016451112 in words is "twenty trillion, four hundred fifty billion, sixteen million, four hundred fifty-one thousand, one hundred twelve".