220545104 has 20 divisors (see below), whose sum is σ = 460176276. Its totient is φ = 101789952.

The previous prime is 220545079. The next prime is 220545107. The reversal of 220545104 is 401545022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18905104 + 201640000 = 4348^2 + 14200^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220545104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220545107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529949 + ... + 530364.

Almost surely, 2^220545104 is an apocalyptic number.

It is an amenable number.

220545104 is an abundant number, since it is smaller than the sum of its proper divisors (239631172).

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

220545104 is a wasteful number, since it uses less digits than its factorization.

220545104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060334 (or 1060328 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 220545104 is about 14850.7610579391. The cubic root of 220545104 is about 604.1792517986.

The spelling of 220545104 in words is "two hundred twenty million, five hundred forty-five thousand, one hundred four".