220424333240 has 16 divisors (see below), whose sum is σ = 495954749880. Its totient is φ = 88169733280.

The previous prime is 220424333221. The next prime is 220424333251. The reversal of 220424333240 is 42333424022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2755304126 + ... + 2755304205.

Almost surely, 2^220424333240 is an apocalyptic number.

220424333240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220424333240 is an abundant number, since it is smaller than the sum of its proper divisors (275530416640).

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

220424333240 is a wasteful number, since it uses less digits than its factorization.

220424333240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510608342 (or 5510608338 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 220424333240 its reverse (42333424022), we get a palindrome (262757757262).

The spelling of 220424333240 in words is "two hundred twenty billion, four hundred twenty-four million, three hundred thirty-three thousand, two hundred forty".