20224250000 has 70 divisors (see below), whose sum is σ = 48980583978. Its totient is φ = 8089600000.

The previous prime is 20224249993. The next prime is 20224250017. The reversal of 20224250000 is 5242202.

It can be written as a sum of positive squares in 7 ways, for example, as 19391119504 + 833130496 = 139252^2 + 28864^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 209552 + ... + 290448.

Almost surely, 2^20224250000 is an apocalyptic number.

20224250000 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 20224250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24490291989).

20224250000 is an abundant number, since it is smaller than the sum of its proper divisors (28756333978).

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

20224250000 is an frugal number, since it uses more digits than its factorization.

20224250000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80935 (or 80904 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

Adding to 20224250000 its reverse (5242202), we get a palindrome (20229492202).

The spelling of 20224250000 in words is "twenty billion, two hundred twenty-four million, two hundred fifty thousand".