20223033533 has 2 divisors, whose sum is σ = 20223033534. Its totient is φ = 20223033532.

The previous prime is 20223033529. The next prime is 20223033541. The reversal of 20223033533 is 33533032202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19667818564 + 555214969 = 140242^2 + 23563^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223033533 - 2² = 20223033529 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20223035533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111516766 + 10111516767.

It is an arithmetic number, because the mean of its divisors is an integer number (10111516767).

Almost surely, 2^20223033533 is an apocalyptic number.

It is an amenable number.

20223033533 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223033533 is an equidigital number, since it uses as much as digits as its factorization.

20223033533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 26.

Adding to 20223033533 its reverse (33533032202), we get a palindrome (53756065735).

The spelling of 20223033533 in words is "twenty billion, two hundred twenty-three million, thirty-three thousand, five hundred thirty-three".