20110331132233 has 4 divisors (see below), whose sum is σ = 20245299797700. Its totient is φ = 19975362466768.

The previous prime is 20110331132207. The next prime is 20110331132261. The reversal of 20110331132233 is 33223113301102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12630368689929 + 7479962442304 = 3553923^2 + 2734952^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110331132233 - 2⁹ = 20110331131721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110331132198 and 20110331132207.

It is not an unprimeable number, because it can be changed into a prime (20110334132233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67484332510 + ... + 67484332807.

It is an arithmetic number, because the mean of its divisors is an integer number (5061324949425).

Almost surely, 2^{20110331132233} is an apocalyptic number.

It is an amenable number.

20110331132233 is a deficient number, since it is larger than the sum of its proper divisors (134968665467).

20110331132233 is a wasteful number, since it uses less digits than its factorization.

20110331132233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134968665466.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20110331132233 its reverse (33223113301102), we get a palindrome (53333444433335).

The spelling of 20110331132233 in words is "twenty trillion, one hundred ten billion, three hundred thirty-one million, one hundred thirty-two thousand, two hundred thirty-three".