112020000000020 has 36 divisors (see below), whose sum is σ = 273648857145300. Its totient is φ = 38406857142528.

The previous prime is 112019999999959. The next prime is 112020000000059. The reversal of 112020000000020 is 20000000020211.

It can be written as a sum of positive squares in 2 ways, for example, as 65115280915216 + 46904719084804 = 8069404^2 + 6848702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112019999999935 and 112020000000007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57153060245 + ... + 57153062204.

It is an arithmetic number, because the mean of its divisors is an integer number (7601357142925).

Almost surely, 2^{112020000000020} is an apocalyptic number.

112020000000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112020000000020 is an abundant number, since it is smaller than the sum of its proper divisors (161628857145280).

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

112020000000020 is a wasteful number, since it uses less digits than its factorization.

112020000000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114306122472 (or 114306122463 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 112020000000020 its reverse (20000000020211), we get a palindrome (132020000020231).

The spelling of 112020000000020 in words is "one hundred twelve trillion, twenty billion, twenty", and thus it is an aban number.