20123302224 has 40 divisors (see below), whose sum is σ = 52013184832. Its totient is φ = 6704156160.

The previous prime is 20123302207. The next prime is 20123302253. The reversal of 20123302224 is 42220332102.

It is a self number, because there is not a number n which added to its sum of digits gives 20123302224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22012 + ... + 201819.

Almost surely, 2^20123302224 is an apocalyptic number.

20123302224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20123302224 is an abundant number, since it is smaller than the sum of its proper divisors (31889882608).

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

20123302224 is a wasteful number, since it uses less digits than its factorization.

20123302224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225715 (or 225709 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20123302224 its reverse (42220332102), we get a palindrome (62343634326).

The spelling of 20123302224 in words is "twenty billion, one hundred twenty-three million, three hundred two thousand, two hundred twenty-four".