20243657044117 has 8 divisors (see below), whose sum is σ = 21801950503424. Its totient is φ = 18685519166448.

The previous prime is 20243657044057. The next prime is 20243657044123. The reversal of 20243657044117 is 71144075634202.

It is a happy number.

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 20243657044117 - 2¹⁵ = 20243657011349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243657044187) 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, 38625093 + ... + 39145690.

It is an arithmetic number, because the mean of its divisors is an integer number (2725243812928).

Almost surely, 2^{20243657044117} is an apocalyptic number.

It is an amenable number.

20243657044117 is a deficient number, since it is larger than the sum of its proper divisors (1558293459307).

20243657044117 is a wasteful number, since it uses less digits than its factorization.

20243657044117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77790819.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 20243657044117 in words is "twenty trillion, two hundred forty-three billion, six hundred fifty-seven million, forty-four thousand, one hundred seventeen".