4550020 has 12 divisors (see below), whose sum is σ = 9555084. Its totient is φ = 1820000.

The previous prime is 4550011. The next prime is 4550027. The reversal of 4550020 is 200554.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 770884 + 3779136 = 878^2 + 1944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4549976 and 4550003.

It is not an unprimeable number, because it can be changed into a prime (4550027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113731 + ... + 113770.

It is an arithmetic number, because the mean of its divisors is an integer number (796257).

Almost surely, 2^4550020 is an apocalyptic number.

It is an amenable number.

4550020 is an abundant number, since it is smaller than the sum of its proper divisors (5005064).

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

4550020 is a wasteful number, since it uses less digits than its factorization.

4550020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227510 (or 227508 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 4550020 is about 2133.0775888373. The cubic root of 4550020 is about 165.7058224260.

Adding to 4550020 its reverse (200554), we get a palindrome (4750574).

The spelling of 4550020 in words is "four million, five hundred fifty thousand, twenty".