220204244 has 12 divisors (see below), whose sum is σ = 415000404. Its totient is φ = 101632704.

The previous prime is 220204223. The next prime is 220204267. The reversal of 220204244 is 442402022.

It can be written as a sum of positive squares in 2 ways, for example, as 121440400 + 98763844 = 11020^2 + 9938^2 .

It is a super-2 number, since 2×220204244² = 96979818151223072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117297 + ... + 2117400.

It is an arithmetic number, because the mean of its divisors is an integer number (34583367).

Almost surely, 2^220204244 is an apocalyptic number.

It is an amenable number.

220204244 is a deficient number, since it is larger than the sum of its proper divisors (194796160).

220204244 is a wasteful number, since it uses less digits than its factorization.

220204244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234714 (or 4234712 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 220204244 is about 14839.2804407761. The cubic root of 220204244 is about 603.8678314085.

Adding to 220204244 its reverse (442402022), we get a palindrome (662606266).

The spelling of 220204244 in words is "two hundred twenty million, two hundred four thousand, two hundred forty-four".