220243404140 has 96 divisors (see below), whose sum is σ = 498904842240. Its totient is φ = 81431539200.

The previous prime is 220243404107. The next prime is 220243404179. The reversal of 220243404140 is 41404342022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10242200 + ... + 10263680.

It is an arithmetic number, because the mean of its divisors is an integer number (5196925440).

Almost surely, 2^220243404140 is an apocalyptic number.

220243404140 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 220243404140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249452421120).

220243404140 is an abundant number, since it is smaller than the sum of its proper divisors (278661438100).

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

220243404140 is a wasteful number, since it uses less digits than its factorization.

220243404140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22263 (or 22261 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 220243404140 its reverse (41404342022), we get a palindrome (261647746162).

The spelling of 220243404140 in words is "two hundred twenty billion, two hundred forty-three million, four hundred four thousand, one hundred forty".