20332011011 has 4 divisors (see below), whose sum is σ = 21896011872. Its totient is φ = 18768010152.

The previous prime is 20332011001. The next prime is 20332011047. The reversal of 20332011011 is 11011023302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11011023302 = 2 ⋅5505511651.

It is a cyclic number.

It is not a de Polignac number, because 20332011011 - 2⁶ = 20332010947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20332011001) 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, 782000411 + ... + 782000436.

It is an arithmetic number, because the mean of its divisors is an integer number (5474002968).

Almost surely, 2^20332011011 is an apocalyptic number.

20332011011 is a deficient number, since it is larger than the sum of its proper divisors (1564000861).

20332011011 is a wasteful number, since it uses less digits than its factorization.

20332011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564000860.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20332011011 its reverse (11011023302), we get a palindrome (31343034313).

The spelling of 20332011011 in words is "twenty billion, three hundred thirty-two million, eleven thousand, eleven".