104220560 has 20 divisors (see below), whose sum is σ = 242312988. Its totient is φ = 41688192.

The previous prime is 104220559. The next prime is 104220569. The reversal of 104220560 is 65022401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32581264 + 71639296 = 5708^2 + 8464^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (104220569) 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, 651299 + ... + 651458.

Almost surely, 2^104220560 is an apocalyptic number.

104220560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104220560 is an abundant number, since it is smaller than the sum of its proper divisors (138092428).

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

104220560 is a wasteful number, since it uses less digits than its factorization.

104220560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302770 (or 1302764 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 104220560 is about 10208.8471435319. The cubic root of 104220560 is about 470.5991453598.

Adding to 104220560 its reverse (65022401), we get a palindrome (169242961).

The spelling of 104220560 in words is "one hundred four million, two hundred twenty thousand, five hundred sixty".