220340341240 has 32 divisors (see below), whose sum is σ = 496369697760. Its totient is φ = 88028771200.

The previous prime is 220340341223. The next prime is 220340341271. The reversal of 220340341240 is 42143043022.

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 7 ways as a sum of consecutive naturals, for example, 3321916 + ... + 3387595.

It is an arithmetic number, because the mean of its divisors is an integer number (15511553055).

Almost surely, 2^220340341240 is an apocalyptic number.

220340341240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220340341240 is an abundant number, since it is smaller than the sum of its proper divisors (276029356520).

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

220340341240 is a wasteful number, since it uses less digits than its factorization.

220340341240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710343 (or 6710339 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 220340341240 its reverse (42143043022), we get a palindrome (262483384262).

The spelling of 220340341240 in words is "two hundred twenty billion, three hundred forty million, three hundred forty-one thousand, two hundred forty".