20000332973 has 2 divisors, whose sum is σ = 20000332974. Its totient is φ = 20000332972.

The previous prime is 20000332967. The next prime is 20000332981. The reversal of 20000332973 is 37923300002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16469358889 + 3530974084 = 128333^2 + 59422^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000332973 - 2¹⁶ = 20000267437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000332993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000166486 + 10000166487.

It is an arithmetic number, because the mean of its divisors is an integer number (10000166487).

Almost surely, 2^20000332973 is an apocalyptic number.

It is an amenable number.

20000332973 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000332973 is an equidigital number, since it uses as much as digits as its factorization.

20000332973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 29.

Adding to 20000332973 its reverse (37923300002), we get a palindrome (57923632975).

The spelling of 20000332973 in words is "twenty billion, three hundred thirty-two thousand, nine hundred seventy-three".