20130144341 has 4 divisors (see below), whose sum is σ = 21005368032. Its totient is φ = 19254920652.

The previous prime is 20130144299. The next prime is 20130144373. The reversal of 20130144341 is 14344103102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20130144341 - 2¹⁸ = 20129882197 is a prime.

It is a super-2 number, since 2×20130144341² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 875223667 = 20130144341 / (2 + 0 + 1 + 3 + 0 + 1 + 4 + 4 + 3 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130144641) 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, 437611811 + ... + 437611856.

It is an arithmetic number, because the mean of its divisors is an integer number (5251342008).

Almost surely, 2^20130144341 is an apocalyptic number.

It is an amenable number.

20130144341 is a deficient number, since it is larger than the sum of its proper divisors (875223691).

20130144341 is an equidigital number, since it uses as much as digits as its factorization.

20130144341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875223690.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20130144341 its reverse (14344103102), we get a palindrome (34474247443).

The spelling of 20130144341 in words is "twenty billion, one hundred thirty million, one hundred forty-four thousand, three hundred forty-one".