20233021213 has 16 divisors (see below), whose sum is σ = 20583694080. Its totient is φ = 19885465600.

The previous prime is 20233021199. The next prime is 20233021229. The reversal of 20233021213 is 31212033202.

It is a cyclic number.

It is not a de Polignac number, because 20233021213 - 2⁵ = 20233021181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233021313) 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, 20836818 + ... + 20837788.

It is an arithmetic number, because the mean of its divisors is an integer number (1286480880).

Almost surely, 2^20233021213 is an apocalyptic number.

It is an amenable number.

20233021213 is a deficient number, since it is larger than the sum of its proper divisors (350672867).

20233021213 is an equidigital number, since it uses as much as digits as its factorization.

20233021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228.

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

Adding to 20233021213 its reverse (31212033202), we get a palindrome (51445054415).

The spelling of 20233021213 in words is "twenty billion, two hundred thirty-three million, twenty-one thousand, two hundred thirteen".