220603404 has 48 divisors (see below), whose sum is σ = 589897728. Its totient is φ = 62855808.

The previous prime is 220603399. The next prime is 220603417. The reversal of 220603404 is 404306022.

220603404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28744 + ... + 35600.

It is an arithmetic number, because the mean of its divisors is an integer number (12289536).

Almost surely, 2^220603404 is an apocalyptic number.

It is an amenable number.

220603404 is an abundant number, since it is smaller than the sum of its proper divisors (369294324).

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

220603404 is a wasteful number, since it uses less digits than its factorization.

220603404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254 (or 7252 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 220603404 is about 14852.7237906049. The cubic root of 220603404 is about 604.2324843672.

Adding to 220603404 its reverse (404306022), we get a palindrome (624909426).

The spelling of 220603404 in words is "two hundred twenty million, six hundred three thousand, four hundred four".