220231104 has 112 divisors (see below), whose sum is σ = 619658400. Its totient is φ = 68898816.

The previous prime is 220231103. The next prime is 220231139. The reversal of 220231104 is 401132022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220231103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 205482 + ... + 206550.

Almost surely, 2^220231104 is an apocalyptic number.

220231104 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 220231104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309829200).

220231104 is an abundant number, since it is smaller than the sum of its proper divisors (399427296).

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

220231104 is a wasteful number, since it uses less digits than its factorization.

220231104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 220231104 is about 14840.1854435853. The cubic root of 220231104 is about 603.8923832067.

Adding to 220231104 its reverse (401132022), we get a palindrome (621363126).

The spelling of 220231104 in words is "two hundred twenty million, two hundred thirty-one thousand, one hundred four".