20244244420213 has 8 divisors (see below), whose sum is σ = 22084814451456. Its totient is φ = 18403705084800.

The previous prime is 20244244420177. The next prime is 20244244420223. The reversal of 20244244420213 is 31202444244202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20244244420213 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 (20244244420223) 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, 6284028 + ... + 8943013.

It is an arithmetic number, because the mean of its divisors is an integer number (2760601806432).

Almost surely, 2^{20244244420213} is an apocalyptic number.

It is an amenable number.

20244244420213 is a deficient number, since it is larger than the sum of its proper divisors (1840570031243).

20244244420213 is a wasteful number, since it uses less digits than its factorization.

20244244420213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15347915.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 20244244420213 its reverse (31202444244202), we get a palindrome (51446688664415).

The spelling of 20244244420213 in words is "twenty trillion, two hundred forty-four billion, two hundred forty-four million, four hundred twenty thousand, two hundred thirteen".