20000233332311 has 4 divisors (see below), whose sum is σ = 20000884560672. Its totient is φ = 19999582103952.

The previous prime is 20000233332307. The next prime is 20000233332341. The reversal of 20000233332311 is 11323333200002.

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

It is a cyclic number.

It is not a de Polignac number, because 20000233332311 - 2² = 20000233332307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000233332341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325568111 + ... + 325629536.

It is an arithmetic number, because the mean of its divisors is an integer number (5000221140168).

Almost surely, 2^{20000233332311} is an apocalyptic number.

20000233332311 is a deficient number, since it is larger than the sum of its proper divisors (651228361).

20000233332311 is an equidigital number, since it uses as much as digits as its factorization.

20000233332311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651228360.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20000233332311 its reverse (11323333200002), we get a palindrome (31323566532313).

The spelling of 20000233332311 in words is "twenty trillion, two hundred thirty-three million, three hundred thirty-two thousand, three hundred eleven".