4272020 has 48 divisors (see below), whose sum is σ = 9652608. Its totient is φ = 1584000.

The previous prime is 4272001. The next prime is 4272029. The reversal of 4272020 is 202724.

It is a self number, because there is not a number n which added to its sum of digits gives 4272020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272029) 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, 16895 + ... + 17145.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

Almost surely, 2^4272020 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 4272020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4826304).

4272020 is an abundant number, since it is smaller than the sum of its proper divisors (5380588).

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

4272020 is a wasteful number, since it uses less digits than its factorization.

4272020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 4272020 is about 2066.8865474428. The cubic root of 4272020 is about 162.2598583124.

Adding to 4272020 its reverse (202724), we get a palindrome (4474744).

The spelling of 4272020 in words is "four million, two hundred seventy-two thousand, twenty".