20133001073 has 2 divisors, whose sum is σ = 20133001074. Its totient is φ = 20133001072.

The previous prime is 20133001069. The next prime is 20133001081. The reversal of 20133001073 is 37010033102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17864193649 + 2268807424 = 133657^2 + 47632^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133001073 - 2² = 20133001069 is a prime.

It is not a weakly prime, because it can be changed into another prime (20133001873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066500536 + 10066500537.

It is an arithmetic number, because the mean of its divisors is an integer number (10066500537).

Almost surely, 2^20133001073 is an apocalyptic number.

It is an amenable number.

20133001073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133001073 is an equidigital number, since it uses as much as digits as its factorization.

20133001073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

Adding to 20133001073 its reverse (37010033102), we get a palindrome (57143034175).

The spelling of 20133001073 in words is "twenty billion, one hundred thirty-three million, one thousand, seventy-three".