220004416 has 28 divisors (see below), whose sum is σ = 443095888. Its totient is φ = 108358272.

The previous prime is 220004399. The next prime is 220004459. The reversal of 220004416 is 614400022.

It is a junction number, because it is equal to n+sod(n) for n = 220004393 and 220004402.

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, 21366 + ... + 29941.

Almost surely, 2^220004416 is an apocalyptic number.

It is an amenable number.

220004416 is an abundant number, since it is smaller than the sum of its proper divisors (223091472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220004416 is an equidigital number, since it uses as much as digits as its factorization.

220004416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51386 (or 51376 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 220004416 is about 14832.5458367739. The cubic root of 220004416 is about 603.6851128279.

Adding to 220004416 its reverse (614400022), we get a palindrome (834404438).

The spelling of 220004416 in words is "two hundred twenty million, four thousand, four hundred sixteen".