220432322323240 has 32 divisors (see below), whose sum is σ = 496023631649280. Its totient is φ = 88163878898752.

The previous prime is 220432322323237. The next prime is 220432322323337. The reversal of 220432322323240 is 42323223234022.

It is a junction number, because it is equal to n+sod(n) for n = 220432322323196 and 220432322323205.

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, 282418864 + ... + 283198303.

It is an arithmetic number, because the mean of its divisors is an integer number (15500738489040).

Almost surely, 2^{220432322323240} is an apocalyptic number.

220432322323240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220432322323240 is an abundant number, since it is smaller than the sum of its proper divisors (275591309326040).

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

220432322323240 is a wasteful number, since it uses less digits than its factorization.

220432322323240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565626921 (or 565626917 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 220432322323240 its reverse (42323223234022), we get a palindrome (262755545557262).

The spelling of 220432322323240 in words is "two hundred twenty trillion, four hundred thirty-two billion, three hundred twenty-two million, three hundred twenty-three thousand, two hundred forty".