20244413104213 has 4 divisors (see below), whose sum is σ = 20253913065568. Its totient is φ = 20234913142860.

The previous prime is 20244413104163. The next prime is 20244413104219. The reversal of 20244413104213 is 31240131444202.

It is a happy number.

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 20244413104213 - 2²¹ = 20244411007061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244413104219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4749977481 + ... + 4749981742.

It is an arithmetic number, because the mean of its divisors is an integer number (5063478266392).

Almost surely, 2^{20244413104213} is an apocalyptic number.

It is an amenable number.

20244413104213 is a deficient number, since it is larger than the sum of its proper divisors (9499961355).

20244413104213 is an equidigital number, since it uses as much as digits as its factorization.

20244413104213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9499961354.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 20244413104213 its reverse (31240131444202), we get a palindrome (51484544548415).

The spelling of 20244413104213 in words is "twenty trillion, two hundred forty-four billion, four hundred thirteen million, one hundred four thousand, two hundred thirteen".