22024434520 has 96 divisors (see below), whose sum is σ = 54748386000. Its totient is φ = 7967886080.

The previous prime is 22024434517. The next prime is 22024434529. The reversal of 22024434520 is 2543442022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22024434529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 941931 + ... + 965029.

Almost surely, 2^22024434520 is an apocalyptic number.

22024434520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22024434520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27374193000).

22024434520 is an abundant number, since it is smaller than the sum of its proper divisors (32723951480).

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

22024434520 is a wasteful number, since it uses less digits than its factorization.

22024434520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23329 (or 23314 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 22024434520 its reverse (2543442022), we get a palindrome (24567876542).

The spelling of 22024434520 in words is "twenty-two billion, twenty-four million, four hundred thirty-four thousand, five hundred twenty".