20000323103311 has 4 divisors (see below), whose sum is σ = 20001199679712. Its totient is φ = 19999446526912.

The previous prime is 20000323103309. The next prime is 20000323103329. The reversal of 20000323103311 is 11330132300002.

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 20000323103311 - 2¹ = 20000323103309 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 (20000323103711) 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, 438253975 + ... + 438299608.

It is an arithmetic number, because the mean of its divisors is an integer number (5000299919928).

Almost surely, 2^{20000323103311} is an apocalyptic number.

20000323103311 is a deficient number, since it is larger than the sum of its proper divisors (876576401).

20000323103311 is an equidigital number, since it uses as much as digits as its factorization.

20000323103311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876576400.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20000323103311 its reverse (11330132300002), we get a palindrome (31330455403313).

The spelling of 20000323103311 in words is "twenty trillion, three hundred twenty-three million, one hundred three thousand, three hundred eleven".