20424024404 has 24 divisors (see below), whose sum is σ = 40852506240. Its totient is φ = 8752198176.

The previous prime is 20424024377. The next prime is 20424024409. The reversal of 20424024404 is 40442042402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424024409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261362 + ... + 330390.

It is an arithmetic number, because the mean of its divisors is an integer number (1702187760).

Almost surely, 2^20424024404 is an apocalyptic number.

It is an amenable number.

20424024404 is an abundant number, since it is smaller than the sum of its proper divisors (20428481836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20424024404 is a wasteful number, since it uses less digits than its factorization.

20424024404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79607 (or 79605 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20424024404 its reverse (40442042402), we get a palindrome (60866066806).

The spelling of 20424024404 in words is "twenty billion, four hundred twenty-four million, twenty-four thousand, four hundred four".