220323143400 has 96 divisors (see below), whose sum is σ = 683342468640. Its totient is φ = 58723528960.

The previous prime is 220323143389. The next prime is 220323143429. The reversal of 220323143400 is 4341323022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1125622 + ... + 1306778.

It is an arithmetic number, because the mean of its divisors is an integer number (7118150715).

Almost surely, 2^220323143400 is an apocalyptic number.

220323143400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220323143400 is an abundant number, since it is smaller than the sum of its proper divisors (463019325240).

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

220323143400 is a wasteful number, since it uses less digits than its factorization.

220323143400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183203 (or 183194 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 220323143400 its reverse (4341323022), we get a palindrome (224664466422).

The spelling of 220323143400 in words is "two hundred twenty billion, three hundred twenty-three million, one hundred forty-three thousand, four hundred".