20303130091 has 8 divisors (see below), whose sum is σ = 20655164160. Its totient is φ = 19951359912.

The previous prime is 20303130079. The next prime is 20303130097. The reversal of 20303130091 is 19003130302.

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 20303130091 - 2⁹ = 20303129579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20303130097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92506 + ... + 221728.

It is an arithmetic number, because the mean of its divisors is an integer number (2581895520).

Almost surely, 2^20303130091 is an apocalyptic number.

20303130091 is a deficient number, since it is larger than the sum of its proper divisors (352034069).

20303130091 is a wasteful number, since it uses less digits than its factorization.

20303130091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131945.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 20303130091 its reverse (19003130302), we get a palindrome (39306260393).

The spelling of 20303130091 in words is "twenty billion, three hundred three million, one hundred thirty thousand, ninety-one".