20301340344 has 16 divisors (see below), whose sum is σ = 50753350920. Its totient is φ = 6767113440.

The previous prime is 20301340337. The next prime is 20301340349. The reversal of 20301340344 is 44304310302.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 845889181 = 20301340344 / (2 + 0 + 3 + 0 + 1 + 3 + 4 + 0 + 3 + 4 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301340349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422944567 + ... + 422944614.

Almost surely, 2^20301340344 is an apocalyptic number.

20301340344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20301340344 is an abundant number, since it is smaller than the sum of its proper divisors (30452010576).

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

20301340344 is a wasteful number, since it uses less digits than its factorization.

20301340344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845889190 (or 845889186 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20301340344 its reverse (44304310302), we get a palindrome (64605650646).

The spelling of 20301340344 in words is "twenty billion, three hundred one million, three hundred forty thousand, three hundred forty-four".