20330332011 has 24 divisors (see below), whose sum is σ = 33920128944. Its totient is φ = 11596623360.

The previous prime is 20330331953. The next prime is 20330332013. The reversal of 20330332011 is 11023303302.

20330332011 is a `hidden beast` number, since 2 + 0 + 330 + 3 + 320 + 11 = 666.

It is not a de Polignac number, because 20330332011 - 2¹⁴ = 20330315627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20330332013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6038226 + ... + 6041591.

It is an arithmetic number, because the mean of its divisors is an integer number (1413338706).

Almost surely, 2^20330332011 is an apocalyptic number.

20330332011 is a deficient number, since it is larger than the sum of its proper divisors (13589796933).

20330332011 is a wasteful number, since it uses less digits than its factorization.

20330332011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12079851 (or 12079848 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20330332011 its reverse (11023303302), we get a palindrome (31353635313).

The spelling of 20330332011 in words is "twenty billion, three hundred thirty million, three hundred thirty-two thousand, eleven".