20102330240 has 64 divisors (see below), whose sum is σ = 48363471360. Its totient is φ = 7989676032.

The previous prime is 20102330233. The next prime is 20102330249. The reversal of 20102330240 is 4203320102.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102330249) 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, 449 + ... + 200511.

It is an arithmetic number, because the mean of its divisors is an integer number (755679240).

Almost surely, 2^20102330240 is an apocalyptic number.

20102330240 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 20102330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24181735680).

20102330240 is an abundant number, since it is smaller than the sum of its proper divisors (28261141120).

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

20102330240 is a wasteful number, since it uses less digits than its factorization.

20102330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200239 (or 200227 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20102330240 its reverse (4203320102), we get a palindrome (24305650342).

The spelling of 20102330240 in words is "twenty billion, one hundred two million, three hundred thirty thousand, two hundred forty".