20003123324 has 24 divisors (see below), whose sum is σ = 35702777040. Its totient is φ = 9804011904.

The previous prime is 20003123323. The next prime is 20003123359. The reversal of 20003123324 is 42332130002.

It is a junction number, because it is equal to n+sod(n) for n = 20003123296 and 20003123305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003123323) 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, 162539 + ... + 257730.

It is an arithmetic number, because the mean of its divisors is an integer number (1487615710).

Almost surely, 2^20003123324 is an apocalyptic number.

It is an amenable number.

20003123324 is a deficient number, since it is larger than the sum of its proper divisors (15699653716).

20003123324 is a wasteful number, since it uses less digits than its factorization.

20003123324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420509 (or 420507 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20003123324 its reverse (42332130002), we get a palindrome (62335253326).

The spelling of 20003123324 in words is "twenty billion, three million, one hundred twenty-three thousand, three hundred twenty-four".