20211232033 has 16 divisors (see below), whose sum is σ = 20629002240. Its totient is φ = 19798880976.

The previous prime is 20211232021. The next prime is 20211232043. The reversal of 20211232033 is 33023211202.

It is a cyclic number.

It is not a de Polignac number, because 20211232033 - 2²⁹ = 19674361121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20211232033.

It is not an unprimeable number, because it can be changed into a prime (20211232003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3909016 + ... + 3914182.

It is an arithmetic number, because the mean of its divisors is an integer number (1289312640).

Almost surely, 2^20211232033 is an apocalyptic number.

It is an amenable number.

20211232033 is a deficient number, since it is larger than the sum of its proper divisors (417770207).

20211232033 is a wasteful number, since it uses less digits than its factorization.

20211232033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20211232033 its reverse (33023211202), we get a palindrome (53234443235).

The spelling of 20211232033 in words is "twenty billion, two hundred eleven million, two hundred thirty-two thousand, thirty-three".