220002240 has 112 divisors (see below), whose sum is σ = 705733920. Its totient is φ = 58060800.

The previous prime is 220002203. The next prime is 220002283. The reversal of 220002240 is 42200022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

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, 95826 + ... + 98094.

Almost surely, 2^220002240 is an apocalyptic number.

220002240 is a gapful number since it is divisible by the number (20) 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 220002240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352866960).

220002240 is an abundant number, since it is smaller than the sum of its proper divisors (485731680).

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

220002240 is a wasteful number, since it uses less digits than its factorization.

220002240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 220002240 is about 14832.4724843837. The cubic root of 220002240 is about 603.6831225298.

Adding to 220002240 its reverse (42200022), we get a palindrome (262202262).

The spelling of 220002240 in words is "two hundred twenty million, two thousand, two hundred forty".