20333010332011 has 4 divisors (see below), whose sum is σ = 21897088049872. Its totient is φ = 18768932614152.

The previous prime is 20333010332009. The next prime is 20333010332057. The reversal of 20333010332011 is 11023301033302.

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 20333010332011 - 2¹ = 20333010332009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20333010362011) 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, 782038858911 + ... + 782038858936.

It is an arithmetic number, because the mean of its divisors is an integer number (5474272012468).

Almost surely, 2^{20333010332011} is an apocalyptic number.

20333010332011 is a deficient number, since it is larger than the sum of its proper divisors (1564077717861).

20333010332011 is a wasteful number, since it uses less digits than its factorization.

20333010332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564077717860.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20333010332011 its reverse (11023301033302), we get a palindrome (31356311365313).

The spelling of 20333010332011 in words is "twenty trillion, three hundred thirty-three billion, ten million, three hundred thirty-two thousand, eleven".