20144340130 has 16 divisors (see below), whose sum is σ = 36367414200. Its totient is φ = 8033824512.

The previous prime is 20144340109. The next prime is 20144340137. The reversal of 20144340130 is 3104344102.

It can be written as a sum of positive squares in 4 ways, for example, as 8439913161 + 11704426969 = 91869^2 + 108187^2 .

It is not an unprimeable number, because it can be changed into a prime (20144340137) 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, 2985405 + ... + 2992144.

Almost surely, 2^20144340130 is an apocalyptic number.

20144340130 is a deficient number, since it is larger than the sum of its proper divisors (16223074070).

20144340130 is a wasteful number, since it uses less digits than its factorization.

20144340130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977893.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20144340130 its reverse (3104344102), we get a palindrome (23248684232).

The spelling of 20144340130 in words is "twenty billion, one hundred forty-four million, three hundred forty thousand, one hundred thirty".