220220000240 has 40 divisors (see below), whose sum is σ = 522905371200. Its totient is φ = 86213785856.

The previous prime is 220220000239. The next prime is 220220000281. The reversal of 220220000240 is 42000022022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29280815 + ... + 29288334.

It is an arithmetic number, because the mean of its divisors is an integer number (13072634280).

Almost surely, 2^220220000240 is an apocalyptic number.

220220000240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220000240 is an abundant number, since it is smaller than the sum of its proper divisors (302685370960).

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

220220000240 is a wasteful number, since it uses less digits than its factorization.

220220000240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58569209 (or 58569203 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 220220000240 its reverse (42000022022), we get a palindrome (262220022262).

The spelling of 220220000240 in words is "two hundred twenty billion, two hundred twenty million, two hundred forty", and thus it is an aban number.