4210020 has 72 divisors (see below), whose sum is σ = 13453440. Its totient is φ = 1062720.

The previous prime is 4210013. The next prime is 4210021. The reversal of 4210020 is 200124.

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 = 4209984 and 4210011.

It is not an unprimeable number, because it can be changed into a prime (4210021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2805 + ... + 4035.

Almost surely, 2^4210020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6726720).

4210020 is an abundant number, since it is smaller than the sum of its proper divisors (9243420).

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

4210020 is a wasteful number, since it uses less digits than its factorization.

4210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 4210020 is about 2051.8333265643. The cubic root of 4210020 is about 161.4710686960.

Adding to 4210020 its reverse (200124), we get a palindrome (4410144).

The spelling of 4210020 in words is "four million, two hundred ten thousand, twenty".