20303544041 has 4 divisors (see below), whose sum is σ = 22149320784. Its totient is φ = 18457767300.

The previous prime is 20303544011. The next prime is 20303544043. The reversal of 20303544041 is 14044530302.

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 20303544041 - 2³⁰ = 19229802217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20303544041.

It is not an unprimeable number, because it can be changed into a prime (20303544043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922888355 + ... + 922888376.

It is an arithmetic number, because the mean of its divisors is an integer number (5537330196).

Almost surely, 2^20303544041 is an apocalyptic number.

It is an amenable number.

20303544041 is a deficient number, since it is larger than the sum of its proper divisors (1845776743).

20303544041 is a wasteful number, since it uses less digits than its factorization.

20303544041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845776742.

The product of its (nonzero) digits is 5760, while the sum is 26.

The spelling of 20303544041 in words is "twenty billion, three hundred three million, five hundred forty-four thousand, forty-one".