20313302033 has 2 divisors, whose sum is σ = 20313302034. Its totient is φ = 20313302032.

The previous prime is 20313302027. The next prime is 20313302047. The reversal of 20313302033 is 33020331302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18951101569 + 1362200464 = 137663^2 + 36908^2 .

It is a cyclic number.

It is not a de Polignac number, because 20313302033 - 2⁶ = 20313301969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20313301996 and 20313302014.

It is not a weakly prime, because it can be changed into another prime (20313322033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156651016 + 10156651017.

It is an arithmetic number, because the mean of its divisors is an integer number (10156651017).

Almost surely, 2^20313302033 is an apocalyptic number.

It is an amenable number.

20313302033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313302033 is an equidigital number, since it uses as much as digits as its factorization.

20313302033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20313302033 its reverse (33020331302), we get a palindrome (53333633335).

The spelling of 20313302033 in words is "twenty billion, three hundred thirteen million, three hundred two thousand, thirty-three".