3020720 has 40 divisors (see below), whose sum is σ = 7149840. Its totient is φ = 1186560.

The previous prime is 3020701. The next prime is 3020761. The reversal of 3020720 is 270203.

3020720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3020695 and 3020704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4571 + ... + 5189.

It is an arithmetic number, because the mean of its divisors is an integer number (178746).

Almost surely, 2^3020720 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 3020720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3574920).

3020720 is an abundant number, since it is smaller than the sum of its proper divisors (4129120).

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

3020720 is a wasteful number, since it uses less digits than its factorization.

3020720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 3020720 is about 1738.0218640742. The cubic root of 3020720 is about 144.5562334265.

Adding to 3020720 its reverse (270203), we get a palindrome (3290923).

The spelling of 3020720 in words is "three million, twenty thousand, seven hundred twenty".