4050220 has 24 divisors (see below), whose sum is σ = 8545824. Its totient is φ = 1612416.

The previous prime is 4050209. The next prime is 4050223. The reversal of 4050220 is 220504.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4050220.

It is not an unprimeable number, because it can be changed into a prime (4050223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5937 + ... + 6583.

It is an arithmetic number, because the mean of its divisors is an integer number (356076).

Almost surely, 2^4050220 is an apocalyptic number.

It is an amenable number.

4050220 is an abundant number, since it is smaller than the sum of its proper divisors (4495604).

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

4050220 is a wasteful number, since it uses less digits than its factorization.

4050220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 4050220 is about 2012.5158384470. The cubic root of 4050220 is about 159.4016715583.

Adding to 4050220 its reverse (220504), we get a palindrome (4270724).

The spelling of 4050220 in words is "four million, fifty thousand, two hundred twenty".