220241304 has 24 divisors (see below), whose sum is σ = 596487060. Its totient is φ = 73413744.

The previous prime is 220241303. The next prime is 220241309. The reversal of 220241304 is 403142022.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220241303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1529382 + ... + 1529525.

Almost surely, 2^220241304 is an apocalyptic number.

220241304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220241304 is an abundant number, since it is smaller than the sum of its proper divisors (376245756).

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

220241304 is a wasteful number, since it uses less digits than its factorization.

220241304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058919 (or 3058912 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 220241304 is about 14840.5291010799. The cubic root of 220241304 is about 603.9017061514.

Adding to 220241304 its reverse (403142022), we get a palindrome (623383326).

The spelling of 220241304 in words is "two hundred twenty million, two hundred forty-one thousand, three hundred four".