20233432011 has 16 divisors (see below), whose sum is σ = 30762141984. Its totient is φ = 11718910464.

The previous prime is 20233431997. The next prime is 20233432019. The reversal of 20233432011 is 11023433202.

It is not a de Polignac number, because 20233432011 - 2¹⁷ = 20233300939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20233432019) 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 15 ways as a sum of consecutive naturals, for example, 15258336 + ... + 15259661.

It is an arithmetic number, because the mean of its divisors is an integer number (1922633874).

Almost surely, 2^20233432011 is an apocalyptic number.

20233432011 is a deficient number, since it is larger than the sum of its proper divisors (10528709973).

20233432011 is a wasteful number, since it uses less digits than its factorization.

20233432011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30518030.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20233432011 its reverse (11023433202), we get a palindrome (31256865213).

The spelling of 20233432011 in words is "twenty billion, two hundred thirty-three million, four hundred thirty-two thousand, eleven".