20302232133011 has 4 divisors (see below), whose sum is σ = 20302518501672. Its totient is φ = 20301945764352.

The previous prime is 20302232132989. The next prime is 20302232133031. The reversal of 20302232133011 is 11033123220302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20302232133011 is a prime.

It is a super-3 number, since 3×20302232133011³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302232133031) 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, 143077961 + ... + 143219786.

It is an arithmetic number, because the mean of its divisors is an integer number (5075629625418).

Almost surely, 2^{20302232133011} is an apocalyptic number.

20302232133011 is a deficient number, since it is larger than the sum of its proper divisors (286368661).

20302232133011 is an equidigital number, since it uses as much as digits as its factorization.

20302232133011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286368660.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20302232133011 its reverse (11033123220302), we get a palindrome (31335355353313).

The spelling of 20302232133011 in words is "twenty trillion, three hundred two billion, two hundred thirty-two million, one hundred thirty-three thousand, eleven".