220002404 has 12 divisors (see below), whose sum is σ = 387367344. Its totient is φ = 109326024.

The previous prime is 220002401. The next prime is 220002413. The reversal of 220002404 is 404200022.

It is a happy number.

220002404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220002401) 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, 168062 + ... + 169365.

It is an arithmetic number, because the mean of its divisors is an integer number (32280612).

Almost surely, 2^220002404 is an apocalyptic number.

It is an amenable number.

220002404 is a deficient number, since it is larger than the sum of its proper divisors (167364940).

220002404 is a wasteful number, since it uses less digits than its factorization.

220002404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337594 (or 337592 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 220002404 is about 14832.4780127934. The cubic root of 220002404 is about 603.6832725343.

Adding to 220002404 its reverse (404200022), we get a palindrome (624202426).

The spelling of 220002404 in words is "two hundred twenty million, two thousand, four hundred four".