210020112 has 30 divisors (see below), whose sum is σ = 587765022. Its totient is φ = 70006656.

The previous prime is 210020101. The next prime is 210020137. The reversal of 210020112 is 211020012.

210020112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 196448256 + 13571856 = 14016^2 + 3684^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 210020094 and 210020103.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 729093 + ... + 729380.

Almost surely, 2^210020112 is an apocalyptic number.

It is an amenable number.

210020112 is an abundant number, since it is smaller than the sum of its proper divisors (377744910).

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

210020112 is a wasteful number, since it uses less digits than its factorization.

210020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458487 (or 1458478 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 210020112 is about 14492.0706595020. The cubic root of 210020112 is about 594.4111699338.

Adding to 210020112 its reverse (211020012), we get a palindrome (421040124).

The spelling of 210020112 in words is "two hundred ten million, twenty thousand, one hundred twelve".