20233302220273 has 2 divisors, whose sum is σ = 20233302220274. Its totient is φ = 20233302220272.

The previous prime is 20233302220213. The next prime is 20233302220297. The reversal of 20233302220273 is 37202220333202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13014150045169 + 7219152175104 = 3607513^2 + 2686848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20233302220273 is a prime.

It is a super-2 number, since 2×20233302220273² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20233302220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116651110136 + 10116651110137.

It is an arithmetic number, because the mean of its divisors is an integer number (10116651110137).

Almost surely, 2^{20233302220273} is an apocalyptic number.

It is an amenable number.

20233302220273 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233302220273 is an equidigital number, since it uses as much as digits as its factorization.

20233302220273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 31.

Adding to 20233302220273 its reverse (37202220333202), we get a palindrome (57435522553475).

The spelling of 20233302220273 in words is "twenty trillion, two hundred thirty-three billion, three hundred two million, two hundred twenty thousand, two hundred seventy-three".