20203313222033 has 4 divisors (see below), whose sum is σ = 20203324884660. Its totient is φ = 20203301559408.

The previous prime is 20203313222023. The next prime is 20203313222051. The reversal of 20203313222033 is 33022231330202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 14580002914129 + 5623310307904 = 3818377^2 + 2371352^2 .

It is a cyclic number.

It is not a de Polignac number, because 20203313222033 - 2¹⁰ = 20203313221009 is a prime.

It is a super-3 number, since 3×20203313222033³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20203313221993 and 20203313222011.

It is not an unprimeable number, because it can be changed into a prime (20203313222003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656778 + ... + 6889491.

It is an arithmetic number, because the mean of its divisors is an integer number (5050831221165).

Almost surely, 2^{20203313222033} is an apocalyptic number.

It is an amenable number.

20203313222033 is a deficient number, since it is larger than the sum of its proper divisors (11662627).

20203313222033 is an equidigital number, since it uses as much as digits as its factorization.

20203313222033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662626.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 20203313222033 its reverse (33022231330202), we get a palindrome (53225544552235).

The spelling of 20203313222033 in words is "twenty trillion, two hundred three billion, three hundred thirteen million, two hundred twenty-two thousand, thirty-three".