20343200440224 has 96 divisors (see below), whose sum is σ = 54469484354880. Its totient is φ = 6646164940800.

The previous prime is 20343200440223. The next prime is 20343200440231. The reversal of 20343200440224 is 42204400234302.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×20343200440224² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20343200440191 and 20343200440200.

It is not an unprimeable number, because it can be changed into a prime (20343200440223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4535794 + ... + 7826865.

It is an arithmetic number, because the mean of its divisors is an integer number (567390462030).

Almost surely, 2^{20343200440224} is an apocalyptic number.

20343200440224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20343200440224 is an abundant number, since it is smaller than the sum of its proper divisors (34126283914656).

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

20343200440224 is a wasteful number, since it uses less digits than its factorization.

20343200440224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12363014 (or 12363006 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 20343200440224 its reverse (42204400234302), we get a palindrome (62547600674526).

The spelling of 20343200440224 in words is "twenty trillion, three hundred forty-three billion, two hundred million, four hundred forty thousand, two hundred twenty-four".