20213201033 has 4 divisors (see below), whose sum is σ = 20865239808. Its totient is φ = 19561162260.

The previous prime is 20213201027. The next prime is 20213201077. The reversal of 20213201033 is 33010231202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20213201033 - 2⁴ = 20213201017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213201233) 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 3 ways as a sum of consecutive naturals, for example, 326019341 + ... + 326019402.

It is an arithmetic number, because the mean of its divisors is an integer number (5216309952).

Almost surely, 2^20213201033 is an apocalyptic number.

It is an amenable number.

20213201033 is a deficient number, since it is larger than the sum of its proper divisors (652038775).

20213201033 is an equidigital number, since it uses as much as digits as its factorization.

20213201033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652038774.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20213201033 its reverse (33010231202), we get a palindrome (53223432235).

The spelling of 20213201033 in words is "twenty billion, two hundred thirteen million, two hundred one thousand, thirty-three".