20340041344 has 64 divisors (see below), whose sum is σ = 47906870400. Its totient is φ = 8416558080.

The previous prime is 20340041341. The next prime is 20340041347. The reversal of 20340041344 is 44314004302.

It is an interprime number because it is at equal distance from previous prime (20340041341) and next prime (20340041347).

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

It is not an unprimeable number, because it can be changed into a prime (20340041341) 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, 365412 + ... + 417379.

It is an arithmetic number, because the mean of its divisors is an integer number (748544850).

Almost surely, 2^20340041344 is an apocalyptic number.

It is an amenable number.

20340041344 is an abundant number, since it is smaller than the sum of its proper divisors (27566829056).

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

20340041344 is an equidigital number, since it uses as much as digits as its factorization.

20340041344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782841 (or 782829 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20340041344 its reverse (44314004302), we get a palindrome (64654045646).

The spelling of 20340041344 in words is "twenty billion, three hundred forty million, forty-one thousand, three hundred forty-four".