20244251413 has 8 divisors (see below), whose sum is σ = 20519878400. Its totient is φ = 19969108848.

The previous prime is 20244251407. The next prime is 20244251441. The reversal of 20244251413 is 31415244202.

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

It is a cyclic number.

It is not a de Polignac number, because 20244251413 - 2⁵ = 20244251381 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 (20244201413) 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 7 ways as a sum of consecutive naturals, for example, 36558 + ... + 204511.

It is an arithmetic number, because the mean of its divisors is an integer number (2564984800).

Almost surely, 2^20244251413 is an apocalyptic number.

It is an amenable number.

20244251413 is a deficient number, since it is larger than the sum of its proper divisors (275626987).

20244251413 is a wasteful number, since it uses less digits than its factorization.

20244251413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242211.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 20244251413 its reverse (31415244202), we get a palindrome (51659495615).

The spelling of 20244251413 in words is "twenty billion, two hundred forty-four million, two hundred fifty-one thousand, four hundred thirteen".