20023404424 has 32 divisors (see below), whose sum is σ = 39068172000. Its totient is φ = 9613118592.

The previous prime is 20023404419. The next prime is 20023404433. The reversal of 20023404424 is 42440432002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472989 + ... + 513580.

It is an arithmetic number, because the mean of its divisors is an integer number (1220880375).

Almost surely, 2^20023404424 is an apocalyptic number.

It is an amenable number.

20023404424 is a deficient number, since it is larger than the sum of its proper divisors (19044767576).

20023404424 is a wasteful number, since it uses less digits than its factorization.

20023404424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986677 (or 986673 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 20023404424 its reverse (42440432002), we get a palindrome (62463836426).

The spelling of 20023404424 in words is "twenty billion, twenty-three million, four hundred four thousand, four hundred twenty-four".