20333224240 has 240 divisors, whose sum is σ = 57098131200. Its totient is φ = 6709409280.

The previous prime is 20333224211. The next prime is 20333224277. The reversal of 20333224240 is 4242233302.

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 47 ways as a sum of consecutive naturals, for example, 11966911 + ... + 11968609.

It is an arithmetic number, because the mean of its divisors is an integer number (237908880).

Almost surely, 2^20333224240 is an apocalyptic number.

20333224240 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 20333224240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28549065600).

20333224240 is an abundant number, since it is smaller than the sum of its proper divisors (36764906960).

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

20333224240 is a wasteful number, since it uses less digits than its factorization.

20333224240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20333224240 its reverse (4242233302), we get a palindrome (24575457542).

The spelling of 20333224240 in words is "twenty billion, three hundred thirty-three million, two hundred twenty-four thousand, two hundred forty".