2100030 has 16 divisors (see below), whose sum is σ = 5040144. Its totient is φ = 560000.

The previous prime is 2100011. The next prime is 2100031. The reversal of 2100030 is 300012.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a junction number, because it is equal to n+sod(n) for n = 2099991 and 2100018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34971 + ... + 35030.

It is an arithmetic number, because the mean of its divisors is an integer number (315009).

2^2100030 is an apocalyptic number.

2100030 is an abundant number, since it is smaller than the sum of its proper divisors (2940114).

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

2100030 is a wasteful number, since it uses less digits than its factorization.

2100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70011.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 2100030 is about 1449.1480255654. The cubic root of 2100030 is about 128.0585262954.

Adding to 2100030 its reverse (300012), we get a palindrome (2400042).

The spelling of 2100030 in words is "two million, one hundred thousand, thirty".