20003123224 has 32 divisors (see below), whose sum is σ = 44022322080. Its totient is φ = 8341069824.

The previous prime is 20003123213. The next prime is 20003123243. The reversal of 20003123224 is 42232130002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4824937 + ... + 4829080.

It is an arithmetic number, because the mean of its divisors is an integer number (1375697565).

Almost surely, 2^20003123224 is an apocalyptic number.

It is an amenable number.

20003123224 is an abundant number, since it is smaller than the sum of its proper divisors (24019198856).

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

20003123224 is a wasteful number, since it uses less digits than its factorization.

20003123224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9654067 (or 9654063 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20003123224 its reverse (42232130002), we get a palindrome (62235253226).

The spelling of 20003123224 in words is "twenty billion, three million, one hundred twenty-three thousand, two hundred twenty-four".