20200120112 has 10 divisors (see below), whose sum is σ = 39137732748. Its totient is φ = 10100060048.

The previous prime is 20200120097. The next prime is 20200120121. The reversal of 20200120112 is 21102100202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20200120093 and 20200120102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631253738 + ... + 631253769.

Almost surely, 2^20200120112 is an apocalyptic number.

It is an amenable number.

20200120112 is a deficient number, since it is larger than the sum of its proper divisors (18937612636).

20200120112 is a wasteful number, since it uses less digits than its factorization.

20200120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262507515 (or 1262507509 counting only the distinct ones).

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

Adding to 20200120112 its reverse (21102100202), we get a palindrome (41302220314).

The spelling of 20200120112 in words is "twenty billion, two hundred million, one hundred twenty thousand, one hundred twelve".