220245404 has 24 divisors (see below), whose sum is σ = 408698640. Its totient is φ = 103493376.

The previous prime is 220245379. The next prime is 220245413. The reversal of 220245404 is 404542022.

220245404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220245404.

It is a congruent number.

It is an unprimeable number.

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, 54419 + ... + 58325.

It is an arithmetic number, because the mean of its divisors is an integer number (17029110).

Almost surely, 2^220245404 is an apocalyptic number.

It is an amenable number.

220245404 is a deficient number, since it is larger than the sum of its proper divisors (188453236).

220245404 is a wasteful number, since it uses less digits than its factorization.

220245404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757 (or 4755 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 220245404 is about 14840.6672356737. The cubic root of 220245404 is about 603.9054535285.

Adding to 220245404 its reverse (404542022), we get a palindrome (624787426).

The spelling of 220245404 in words is "two hundred twenty million, two hundred forty-five thousand, four hundred four".