244130020205 has 4 divisors (see below), whose sum is σ = 292956024252. Its totient is φ = 195304016160.

The previous prime is 244130020187. The next prime is 244130020223. The reversal of 244130020205 is 502020031442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (244130020187) and next prime (244130020223).

It can be written as a sum of positive squares in 2 ways, for example, as 28085402569 + 216044617636 = 167587^2 + 464806^2 .

It is not a de Polignac number, because 244130020205 - 2¹⁶ = 244129954669 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 24413002016 + ... + 24413002025.

It is an arithmetic number, because the mean of its divisors is an integer number (73239006063).

Almost surely, 2^244130020205 is an apocalyptic number.

It is an amenable number.

244130020205 is a deficient number, since it is larger than the sum of its proper divisors (48826004047).

244130020205 is an equidigital number, since it uses as much as digits as its factorization.

244130020205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48826004046.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 244130020205 its reverse (502020031442), we get a palindrome (746150051647).

The spelling of 244130020205 in words is "two hundred forty-four billion, one hundred thirty million, twenty thousand, two hundred five".