20233132011 has 12 divisors (see below), whose sum is σ = 29230514040. Its totient is φ = 13486502880.

The previous prime is 20233132009. The next prime is 20233132013. The reversal of 20233132011 is 11023133202.

20233132011 is a `hidden beast` number, since 2 + 0 + 2 + 331 + 320 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (20233132009) and next prime (20233132013).

It is not a de Polignac number, because 20233132011 - 2¹ = 20233132009 is a prime.

It is a super-4 number, since 4×20233132011⁴ (a number of 42 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (20233132013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129805 + ... + 239406.

It is an arithmetic number, because the mean of its divisors is an integer number (2435876170).

Almost surely, 2^20233132011 is an apocalyptic number.

20233132011 is a deficient number, since it is larger than the sum of its proper divisors (8997382029).

20233132011 is a wasteful number, since it uses less digits than its factorization.

20233132011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375306 (or 375303 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20233132011 its reverse (11023133202), we get a palindrome (31256265213).

The spelling of 20233132011 in words is "twenty billion, two hundred thirty-three million, one hundred thirty-two thousand, eleven".