220111204 has 12 divisors (see below), whose sum is σ = 387324028. Its totient is φ = 109447200.

The previous prime is 220111153. The next prime is 220111211. The reversal of 220111204 is 402111022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 106048804 + 114062400 = 10298^2 + 10680^2 .

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 3 ways as a sum of consecutive naturals, for example, 151287 + ... + 152734.

Almost surely, 2^220111204 is an apocalyptic number.

It is an amenable number.

220111204 is a deficient number, since it is larger than the sum of its proper divisors (167212824).

220111204 is a wasteful number, since it uses less digits than its factorization.

220111204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304206 (or 304204 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 220111204 is about 14836.1451866716. The cubic root of 220111204 is about 603.7827713195.

Adding to 220111204 its reverse (402111022), we get a palindrome (622222226).

The spelling of 220111204 in words is "two hundred twenty million, one hundred eleven thousand, two hundred four".