20003313424 has 40 divisors (see below), whose sum is σ = 39598269120. Its totient is φ = 9785463168.

The previous prime is 20003313409. The next prime is 20003313427. The reversal of 20003313424 is 42431330002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20003313395 and 20003313404.

It is not an unprimeable number, because it can be changed into a prime (20003313427) by changing a digit.

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, 271579 + ... + 337285.

It is an arithmetic number, because the mean of its divisors is an integer number (989956728).

Almost surely, 2^20003313424 is an apocalyptic number.

It is an amenable number.

20003313424 is a deficient number, since it is larger than the sum of its proper divisors (19594955696).

20003313424 is a wasteful number, since it uses less digits than its factorization.

20003313424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66127 (or 66121 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20003313424 its reverse (42431330002), we get a palindrome (62434643426).

The spelling of 20003313424 in words is "twenty billion, three million, three hundred thirteen thousand, four hundred twenty-four".