20336837033 has 2 divisors, whose sum is σ = 20336837034. Its totient is φ = 20336837032.

The previous prime is 20336837029. The next prime is 20336837041. The reversal of 20336837033 is 33073863302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20325634624 + 11202409 = 142568^2 + 3347^2 .

It is a cyclic number.

It is not a de Polignac number, because 20336837033 - 2² = 20336837029 is a prime.

It is not a weakly prime, because it can be changed into another prime (20336857033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10168418516 + 10168418517.

It is an arithmetic number, because the mean of its divisors is an integer number (10168418517).

Almost surely, 2^20336837033 is an apocalyptic number.

It is an amenable number.

20336837033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20336837033 is an equidigital number, since it uses as much as digits as its factorization.

20336837033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 38.

The spelling of 20336837033 in words is "twenty billion, three hundred thirty-six million, eight hundred thirty-seven thousand, thirty-three".