220504450 has 48 divisors (see below), whose sum is σ = 453185280. Its totient is φ = 79397120.

The previous prime is 220504397. The next prime is 220504463. The reversal of 220504450 is 54405022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13911 + ... + 25189.

It is an arithmetic number, because the mean of its divisors is an integer number (9441360).

Almost surely, 2^220504450 is an apocalyptic number.

220504450 is an abundant number, since it is smaller than the sum of its proper divisors (232680830).

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

220504450 is a wasteful number, since it uses less digits than its factorization.

220504450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11331 (or 11326 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 220504450 is about 14849.3922434556. The cubic root of 220504450 is about 604.1421258892.

Adding to 220504450 its reverse (54405022), we get a palindrome (274909472).

The spelling of 220504450 in words is "two hundred twenty million, five hundred four thousand, four hundred fifty".