220451104 has 24 divisors (see below), whose sum is σ = 459544428. Its totient is φ = 103741440.

The previous prime is 220451093. The next prime is 220451111. The reversal of 220451104 is 401154022.

It can be written as a sum of positive squares in 2 ways, for example, as 198810000 + 21641104 = 14100^2 + 4652^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202077 + ... + 203164.

Almost surely, 2^220451104 is an apocalyptic number.

It is an amenable number.

220451104 is an abundant number, since it is smaller than the sum of its proper divisors (239093324).

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

220451104 is a wasteful number, since it uses less digits than its factorization.

220451104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405268 (or 405260 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 220451104 is about 14847.5958996735. The cubic root of 220451104 is about 604.0934025109.

The spelling of 220451104 in words is "two hundred twenty million, four hundred fifty-one thousand, one hundred four".