220032424 has 8 divisors (see below), whose sum is σ = 412560810. Its totient is φ = 110016208.

The previous prime is 220032401. The next prime is 220032431. The reversal of 220032424 is 424230022.

It can be written as a sum of positive squares in only one way, i.e., 209728324 + 10304100 = 14482^2 + 3210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×220032424² = 96828535222631552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13752019 + ... + 13752034.

Almost surely, 2^220032424 is an apocalyptic number.

It is an amenable number.

220032424 is a deficient number, since it is larger than the sum of its proper divisors (192528386).

220032424 is a wasteful number, since it uses less digits than its factorization.

220032424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27504059 (or 27504055 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 220032424 is about 14833.4899467388. The cubic root of 220032424 is about 603.7107294277.

Adding to 220032424 its reverse (424230022), we get a palindrome (644262446).

The spelling of 220032424 in words is "two hundred twenty million, thirty-two thousand, four hundred twenty-four".