4201220 has 24 divisors (see below), whose sum is σ = 8937600. Its totient is φ = 1658592.

The previous prime is 4201217. The next prime is 4201243. The reversal of 4201220 is 221024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251 + ... + 2909.

It is an arithmetic number, because the mean of its divisors is an integer number (372400).

Almost surely, 2^4201220 is an apocalyptic number.

It is an amenable number.

4201220 is an abundant number, since it is smaller than the sum of its proper divisors (4736380).

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

4201220 is a wasteful number, since it uses less digits than its factorization.

4201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747 (or 2745 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4201220 is about 2049.6877811023. The cubic root of 4201220 is about 161.3584851770.

Adding to 4201220 its reverse (221024), we get a palindrome (4422244).

The spelling of 4201220 in words is "four million, two hundred one thousand, two hundred twenty".