20332031011 has 4 divisors (see below), whose sum is σ = 20363652232. Its totient is φ = 20300409792.

The previous prime is 20332030973. The next prime is 20332031047. The reversal of 20332031011 is 11013023302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11013023302 = 2 ⋅5506511651.

It is a cyclic number.

It is not a de Polignac number, because 20332031011 - 2¹³ = 20332022819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332031711) 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 3 ways as a sum of consecutive naturals, for example, 15809646 + ... + 15810931.

It is an arithmetic number, because the mean of its divisors is an integer number (5090913058).

Almost surely, 2^20332031011 is an apocalyptic number.

20332031011 is a deficient number, since it is larger than the sum of its proper divisors (31621221).

20332031011 is an equidigital number, since it uses as much as digits as its factorization.

20332031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31621220.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20332031011 its reverse (11013023302), we get a palindrome (31345054313).

The spelling of 20332031011 in words is "twenty billion, three hundred thirty-two million, thirty-one thousand, eleven".