20012020112 has 20 divisors (see below), whose sum is σ = 44312330496. Its totient is φ = 8576580000.

The previous prime is 20012020109. The next prime is 20012020121. The reversal of 20012020112 is 21102021002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20012020093 and 20012020102.

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, 89339264 + ... + 89339487.

Almost surely, 2^20012020112 is an apocalyptic number.

It is an amenable number.

20012020112 is an abundant number, since it is smaller than the sum of its proper divisors (24300310384).

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

20012020112 is a wasteful number, since it uses less digits than its factorization.

20012020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178678766 (or 178678760 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20012020112 its reverse (21102021002), we get a palindrome (41114041114).

The spelling of 20012020112 in words is "twenty billion, twelve million, twenty thousand, one hundred twelve".