20320242224 has 40 divisors (see below), whose sum is σ = 40841344320. Its totient is φ = 9786816000.

The previous prime is 20320242223. The next prime is 20320242277. The reversal of 20320242224 is 42224202302.

It is a self number, because there is not a number n which added to its sum of digits gives 20320242224.

It is not an unprimeable number, because it can be changed into a prime (20320242221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144227 + ... + 247874.

It is an arithmetic number, because the mean of its divisors is an integer number (1021033608).

Almost surely, 2^20320242224 is an apocalyptic number.

It is an amenable number.

20320242224 is an abundant number, since it is smaller than the sum of its proper divisors (20521102096).

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

20320242224 is a wasteful number, since it uses less digits than its factorization.

20320242224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392229 (or 392223 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20320242224 its reverse (42224202302), we get a palindrome (62544444526).

The spelling of 20320242224 in words is "twenty billion, three hundred twenty million, two hundred forty-two thousand, two hundred twenty-four".