20000133311 has 8 divisors (see below), whose sum is σ = 20341776240. Its totient is φ = 19661088832.

The previous prime is 20000133271. The next prime is 20000133319. The reversal of 20000133311 is 11333100002.

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 20000133311 - 2⁶ = 20000133247 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 (20000133319) 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, 634085 + ... + 664878.

It is an arithmetic number, because the mean of its divisors is an integer number (2542722030).

Almost surely, 2^20000133311 is an apocalyptic number.

20000133311 is a deficient number, since it is larger than the sum of its proper divisors (341642929).

20000133311 is a wasteful number, since it uses less digits than its factorization.

20000133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299225.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20000133311 its reverse (11333100002), we get a palindrome (31333233313).

The spelling of 20000133311 in words is "twenty billion, one hundred thirty-three thousand, three hundred eleven".