20303005541 has 16 divisors (see below), whose sum is σ = 26303491200. Its totient is φ = 15218445888.

The previous prime is 20303005529. The next prime is 20303005561. The reversal of 20303005541 is 14550030302.

It is a cyclic number.

It is not a de Polignac number, because 20303005541 - 2⁶ = 20303005477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303005561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5869586 + ... + 5873043.

It is an arithmetic number, because the mean of its divisors is an integer number (1643968200).

Almost surely, 2^20303005541 is an apocalyptic number.

It is an amenable number.

20303005541 is a deficient number, since it is larger than the sum of its proper divisors (6000485659).

20303005541 is a wasteful number, since it uses less digits than its factorization.

20303005541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11742668.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 20303005541 its reverse (14550030302), we get a palindrome (34853035843).

The spelling of 20303005541 in words is "twenty billion, three hundred three million, five thousand, five hundred forty-one".