20041330240 has 28 divisors (see below), whose sum is σ = 47723418396. Its totient is φ = 8016531968.

The previous prime is 20041330229. The next prime is 20041330249. The reversal of 20041330240 is 4203314002.

It can be written as a sum of positive squares in 2 ways, for example, as 8935542784 + 11105787456 = 94528^2 + 105384^2 .

It is not an unprimeable number, because it can be changed into a prime (20041330249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31314259 + ... + 31314898.

Almost surely, 2^20041330240 is an apocalyptic number.

20041330240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20041330240 is an abundant number, since it is smaller than the sum of its proper divisors (27682088156).

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

20041330240 is an equidigital number, since it uses as much as digits as its factorization.

20041330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62629174 (or 62629164 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20041330240 its reverse (4203314002), we get a palindrome (24244644242).

The spelling of 20041330240 in words is "twenty billion, forty-one million, three hundred thirty thousand, two hundred forty".