20012320024 has 32 divisors (see below), whose sum is σ = 37840093200. Its totient is φ = 9921951360.

The previous prime is 20012319989. The next prime is 20012320037. The reversal of 20012320024 is 42002321002.

It is a congruent number.

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, 482542 + ... + 522370.

Almost surely, 2^20012320024 is an apocalyptic number.

It is an amenable number.

20012320024 is a deficient number, since it is larger than the sum of its proper divisors (17827773176).

20012320024 is a wasteful number, since it uses less digits than its factorization.

20012320024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40363 (or 40359 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20012320024 its reverse (42002321002), we get a palindrome (62014641026).

The spelling of 20012320024 in words is "twenty billion, twelve million, three hundred twenty thousand, twenty-four".