20033303223313 has 2 divisors, whose sum is σ = 20033303223314. Its totient is φ = 20033303223312.

The previous prime is 20033303223299. The next prime is 20033303223337. The reversal of 20033303223313 is 31332230333002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17349790734864 + 2683512488449 = 4165308^2 + 1638143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20033303223313 is a prime.

It is not a weakly prime, because it can be changed into another prime (20033309223313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016651611656 + 10016651611657.

It is an arithmetic number, because the mean of its divisors is an integer number (10016651611657).

Almost surely, 2^{20033303223313} is an apocalyptic number.

It is an amenable number.

20033303223313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20033303223313 is an equidigital number, since it uses as much as digits as its factorization.

20033303223313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 28.

Adding to 20033303223313 its reverse (31332230333002), we get a palindrome (51365533556315).

The spelling of 20033303223313 in words is "twenty trillion, thirty-three billion, three hundred three million, two hundred twenty-three thousand, three hundred thirteen".