220135104 has 112 divisors (see below), whose sum is σ = 739648000. Its totient is φ = 62892288.

The previous prime is 220135099. The next prime is 220135141. The reversal of 220135104 is 401531022.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2997 + ... + 21195.

It is an arithmetic number, because the mean of its divisors is an integer number (6604000).

Almost surely, 2^220135104 is an apocalyptic number.

220135104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220135104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369824000).

220135104 is an abundant number, since it is smaller than the sum of its proper divisors (519512896).

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

220135104 is a wasteful number, since it uses less digits than its factorization.

220135104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18227 (or 18211 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 220135104 is about 14836.9506300992. The cubic root of 220135104 is about 603.8046237373.

Adding to 220135104 its reverse (401531022), we get a palindrome (621666126).

The spelling of 220135104 in words is "two hundred twenty million, one hundred thirty-five thousand, one hundred four".