20304012311 has 8 divisors (see below), whose sum is σ = 22298490000. Its totient is φ = 18334311040.

The previous prime is 20304012301. The next prime is 20304012329. The reversal of 20304012311 is 11321040302.

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 20304012311 - 2¹⁴ = 20303995927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20304012311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304012301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6192386 + ... + 6195663.

It is an arithmetic number, because the mean of its divisors is an integer number (2787311250).

Almost surely, 2^20304012311 is an apocalyptic number.

20304012311 is a deficient number, since it is larger than the sum of its proper divisors (1994477689).

20304012311 is a wasteful number, since it uses less digits than its factorization.

20304012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12388209.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20304012311 its reverse (11321040302), we get a palindrome (31625052613).

The spelling of 20304012311 in words is "twenty billion, three hundred four million, twelve thousand, three hundred eleven".