220104040 has 32 divisors (see below), whose sum is σ = 533330280. Its totient is φ = 81268992.

The previous prime is 220104019. The next prime is 220104097. The reversal of 220104040 is 40401022.

It can be written as a sum of positive squares in 4 ways, for example, as 156200004 + 63904036 = 12498^2 + 7994^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 220104040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211119 + ... + 212158.

Almost surely, 2^220104040 is an apocalyptic number.

220104040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220104040 is an abundant number, since it is smaller than the sum of its proper divisors (313226240).

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

220104040 is a wasteful number, since it uses less digits than its factorization.

220104040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423301 (or 423297 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 220104040 is about 14835.9037473286. The cubic root of 220104040 is about 603.7762207720.

Adding to 220104040 its reverse (40401022), we get a palindrome (260505062).

The spelling of 220104040 in words is "two hundred twenty million, one hundred four thousand, forty".