20335543241 has 8 divisors (see below), whose sum is σ = 22654982280. Its totient is φ = 18123985152.

The previous prime is 20335543223. The next prime is 20335543247. The reversal of 20335543241 is 14234553302.

It can be written as a sum of positive squares in 4 ways, for example, as 2391601216 + 17943942025 = 48904^2 + 133955^2 .

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

It is not a de Polignac number, because 20335543241 - 2²² = 20331348937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20335543198 and 20335543207.

It is not an unprimeable number, because it can be changed into a prime (20335543247) 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, 26969840 + ... + 26970593.

It is an arithmetic number, because the mean of its divisors is an integer number (2831872785).

Almost surely, 2^20335543241 is an apocalyptic number.

It is an amenable number.

20335543241 is a deficient number, since it is larger than the sum of its proper divisors (2319439039).

20335543241 is a wasteful number, since it uses less digits than its factorization.

20335543241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53940475.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 20335543241 in words is "twenty billion, three hundred thirty-five million, five hundred forty-three thousand, two hundred forty-one".