220323043400 has 48 divisors (see below), whose sum is σ = 513320716800. Its totient is φ = 87945193280.

The previous prime is 220323043397. The next prime is 220323043403. The reversal of 220323043400 is 4340323022.

It is an interprime number because it is at equal distance from previous prime (220323043397) and next prime (220323043403).

It is not an unprimeable number, because it can be changed into a prime (220323043403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1054112 + ... + 1245711.

It is an arithmetic number, because the mean of its divisors is an integer number (10694181600).

Almost surely, 2^220323043400 is an apocalyptic number.

220323043400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220323043400 is an abundant number, since it is smaller than the sum of its proper divisors (292997673400).

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

220323043400 is a wasteful number, since it uses less digits than its factorization.

220323043400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300318 (or 2300309 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 220323043400 its reverse (4340323022), we get a palindrome (224663366422).

The spelling of 220323043400 in words is "two hundred twenty billion, three hundred twenty-three million, forty-three thousand, four hundred".