20350241440 has 24 divisors (see below), whose sum is σ = 48077445780. Its totient is φ = 8140096512.

The previous prime is 20350241423. The next prime is 20350241477. The reversal of 20350241440 is 4414205302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19986042384 + 364199056 = 141372^2 + 19084^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63594345 + ... + 63594664.

Almost surely, 2^20350241440 is an apocalyptic number.

20350241440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20350241440 is an abundant number, since it is smaller than the sum of its proper divisors (27727204340).

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

20350241440 is a wasteful number, since it uses less digits than its factorization.

20350241440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127189024 (or 127189016 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20350241440 its reverse (4414205302), we get a palindrome (24764446742).

The spelling of 20350241440 in words is "twenty billion, three hundred fifty million, two hundred forty-one thousand, four hundred forty".