20300020112 has 20 divisors (see below), whose sum is σ = 39333912156. Its totient is φ = 10149333120.

The previous prime is 20300020079. The next prime is 20300020121. The reversal of 20300020112 is 21102000302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17488475536 + 2811544576 = 132244^2 + 53024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20300020093 and 20300020102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279062 + ... + 344202.

Almost surely, 2^20300020112 is an apocalyptic number.

It is an amenable number.

20300020112 is a deficient number, since it is larger than the sum of its proper divisors (19033892044).

20300020112 is a wasteful number, since it uses less digits than its factorization.

20300020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84626 (or 84620 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20300020112 its reverse (21102000302), we get a palindrome (41402020414).

The spelling of 20300020112 in words is "twenty billion, three hundred million, twenty thousand, one hundred twelve".