4551020 has 24 divisors (see below), whose sum is σ = 9600864. Its totient is φ = 1812096.

The previous prime is 4550993. The next prime is 4551023. The reversal of 4551020 is 201554.

It is a self number, because there is not a number n which added to its sum of digits gives 4551020.

It is not an unprimeable number, because it can be changed into a prime (4551023) by changing a digit.

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, 5897 + ... + 6623.

It is an arithmetic number, because the mean of its divisors is an integer number (400036).

Almost surely, 2^4551020 is an apocalyptic number.

It is an amenable number.

4551020 is an abundant number, since it is smaller than the sum of its proper divisors (5049844).

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

4551020 is a wasteful number, since it uses less digits than its factorization.

4551020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 4551020 is about 2133.3119790598. The cubic root of 4551020 is about 165.7179611041.

Adding to 4551020 its reverse (201554), we get a palindrome (4752574).

The spelling of 4551020 in words is "four million, five hundred fifty-one thousand, twenty".