20303530541 has 4 divisors (see below), whose sum is σ = 23204034912. Its totient is φ = 17403026172.

The previous prime is 20303530529. The next prime is 20303530601. The reversal of 20303530541 is 14503530302.

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 not a de Polignac number, because 20303530541 - 2⁶ = 20303530477 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 20303530541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303530241) 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, 1450252175 + ... + 1450252188.

It is an arithmetic number, because the mean of its divisors is an integer number (5801008728).

Almost surely, 2^20303530541 is an apocalyptic number.

It is an amenable number.

20303530541 is a deficient number, since it is larger than the sum of its proper divisors (2900504371).

20303530541 is an equidigital number, since it uses as much as digits as its factorization.

20303530541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900504370.

The product of its (nonzero) digits is 5400, while the sum is 26.

The spelling of 20303530541 in words is "twenty billion, three hundred three million, five hundred thirty thousand, five hundred forty-one".