20331302011 has 8 divisors (see below), whose sum is σ = 20807829504. Its totient is φ = 19854943080.

The previous prime is 20331302003. The next prime is 20331302027. The reversal of 20331302011 is 11020313302.

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 20331302011 - 2³ = 20331302003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331302081) 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, 220926 + ... + 299116.

It is an arithmetic number, because the mean of its divisors is an integer number (2600978688).

Almost surely, 2^20331302011 is an apocalyptic number.

20331302011 is a deficient number, since it is larger than the sum of its proper divisors (476527493).

20331302011 is an equidigital number, since it uses as much as digits as its factorization.

20331302011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84281.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20331302011 its reverse (11020313302), we get a palindrome (31351615313).

The spelling of 20331302011 in words is "twenty billion, three hundred thirty-one million, three hundred two thousand, eleven".