20000133337 has 2 divisors, whose sum is σ = 20000133338. Its totient is φ = 20000133336.

The previous prime is 20000133319. The next prime is 20000133353. The reversal of 20000133337 is 73333100002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19767235216 + 232898121 = 140596^2 + 15261^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000133337 - 2¹⁵ = 20000100569 is a prime.

It is not a weakly prime, because it can be changed into another prime (20000133397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000066668 + 10000066669.

It is an arithmetic number, because the mean of its divisors is an integer number (10000066669).

Almost surely, 2^20000133337 is an apocalyptic number.

It is an amenable number.

20000133337 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000133337 is an equidigital number, since it uses as much as digits as its factorization.

20000133337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 22.

Adding to 20000133337 its reverse (73333100002), we get a palindrome (93333233339).

The spelling of 20000133337 in words is "twenty billion, one hundred thirty-three thousand, three hundred thirty-seven".