20221232011 has 8 divisors (see below), whose sum is σ = 21603202880. Its totient is φ = 18871030728.

The previous prime is 20221231997. The next prime is 20221232047. The reversal of 20221232011 is 11023212202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20221232011 - 2²³ = 20212843403 is a prime.

It is a super-2 number, since 2×20221232011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20221232051) 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 7 ways as a sum of consecutive naturals, for example, 7941081 + ... + 7943626.

It is an arithmetic number, because the mean of its divisors is an integer number (2700400360).

Almost surely, 2^20221232011 is an apocalyptic number.

20221232011 is a deficient number, since it is larger than the sum of its proper divisors (1381970869).

20221232011 is a wasteful number, since it uses less digits than its factorization.

20221232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15884793.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20221232011 its reverse (11023212202), we get a palindrome (31244444213).

The spelling of 20221232011 in words is "twenty billion, two hundred twenty-one million, two hundred thirty-two thousand, eleven".