4211020 has 24 divisors (see below), whose sum is σ = 9647568. Its totient is φ = 1531200.

The previous prime is 4210981. The next prime is 4211021. The reversal of 4211020 is 201124.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 4210988 and 4211006.

It is not an unprimeable number, because it can be changed into a prime (4211021) 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, 9351 + ... + 9790.

It is an arithmetic number, because the mean of its divisors is an integer number (401982).

Almost surely, 2^4211020 is an apocalyptic number.

It is an amenable number.

4211020 is an abundant number, since it is smaller than the sum of its proper divisors (5436548).

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

4211020 is a wasteful number, since it uses less digits than its factorization.

4211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19161 (or 19159 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 4211020 is about 2052.0769966061. The cubic root of 4211020 is about 161.4838523475.

Adding to 4211020 its reverse (201124), we get a palindrome (4412144).

It can be divided in two parts, 421 and 1020, that added together give a palindrome (1441).

The spelling of 4211020 in words is "four million, two hundred eleven thousand, twenty".