220100344 has 16 divisors (see below), whose sum is σ = 414970920. Its totient is φ = 109441440.

The previous prime is 220100323. The next prime is 220100357. The reversal of 220100344 is 443001022.

It is a super-2 number, since 2×220100344² = 96888322857836672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74554 + ... + 77449.

Almost surely, 2^220100344 is an apocalyptic number.

It is an amenable number.

220100344 is a deficient number, since it is larger than the sum of its proper divisors (194870576).

220100344 is a wasteful number, since it uses less digits than its factorization.

220100344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152190 (or 152186 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220100344 is about 14835.7791841211. The cubic root of 220100344 is about 603.7728412044.

Adding to 220100344 its reverse (443001022), we get a palindrome (663101366).

The spelling of 220100344 in words is "two hundred twenty million, one hundred thousand, three hundred forty-four".