4201720 has 64 divisors (see below), whose sum is σ = 10342080. Its totient is φ = 1529856.

The previous prime is 4201711. The next prime is 4201727. The reversal of 4201720 is 271024.

It is a junction number, because it is equal to n+sod(n) for n = 4201694 and 4201703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25077 + ... + 25243.

It is an arithmetic number, because the mean of its divisors is an integer number (161595).

Almost surely, 2^4201720 is an apocalyptic number.

4201720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4201720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5171040).

4201720 is an abundant number, since it is smaller than the sum of its proper divisors (6140360).

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

4201720 is a wasteful number, since it uses less digits than its factorization.

4201720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 4201720 is about 2049.8097472692. The cubic root of 4201720 is about 161.3648861781.

Adding to 4201720 its reverse (271024), we get a palindrome (4472744).

The spelling of 4201720 in words is "four million, two hundred one thousand, seven hundred twenty".