220324340 has 12 divisors (see below), whose sum is σ = 462681156. Its totient is φ = 88129728.

The previous prime is 220324333. The next prime is 220324343. The reversal of 220324340 is 43423022.

220324340 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 64673764 + 155650576 = 8042^2 + 12476^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11016217 = 220324340 / (2 + 2 + 0 + 3 + 2 + 4 + 3 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220324343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5508089 + ... + 5508128.

It is an arithmetic number, because the mean of its divisors is an integer number (38556763).

Almost surely, 2^220324340 is an apocalyptic number.

220324340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220324340 is an abundant number, since it is smaller than the sum of its proper divisors (242356816).

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

220324340 is a wasteful number, since it uses less digits than its factorization.

220324340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11016226 (or 11016224 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 220324340 is about 14843.3264465887. The cubic root of 220324340 is about 603.9775915257.

Adding to 220324340 its reverse (43423022), we get a palindrome (263747362).

The spelling of 220324340 in words is "two hundred twenty million, three hundred twenty-four thousand, three hundred forty".