20205330424 has 16 divisors (see below), whose sum is σ = 37892036520. Its totient is φ = 10100787360.

The previous prime is 20205330367. The next prime is 20205330463. The reversal of 20205330424 is 42403350202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188467 + ... + 275554.

Almost surely, 2^20205330424 is an apocalyptic number.

It is an amenable number.

20205330424 is a deficient number, since it is larger than the sum of its proper divisors (17686706096).

20205330424 is a wasteful number, since it uses less digits than its factorization.

20205330424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469470 (or 469466 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20205330424 its reverse (42403350202), we get a palindrome (62608680626).

The spelling of 20205330424 in words is "twenty billion, two hundred five million, three hundred thirty thousand, four hundred twenty-four".