20523232424 has 32 divisors (see below), whose sum is σ = 38856180000. Its totient is φ = 10161692352.

The previous prime is 20523232417. The next prime is 20523232547. The reversal of 20523232424 is 42423232502.

It is a super-3 number, since 3×20523232424³ (a number of 32 digits) contains 333 as substring.

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, 1810727 + ... + 1822025.

It is an arithmetic number, because the mean of its divisors is an integer number (1214255625).

Almost surely, 2^20523232424 is an apocalyptic number.

It is an amenable number.

20523232424 is a deficient number, since it is larger than the sum of its proper divisors (18332947576).

20523232424 is a wasteful number, since it uses less digits than its factorization.

20523232424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13497 (or 13493 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 20523232424 its reverse (42423232502), we get a palindrome (62946464926).

The spelling of 20523232424 in words is "twenty billion, five hundred twenty-three million, two hundred thirty-two thousand, four hundred twenty-four".