10020120973 has 2 divisors, whose sum is σ = 10020120974. Its totient is φ = 10020120972.

The previous prime is 10020120931. The next prime is 10020121021. The reversal of 10020120973 is 37902102001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6506358244 + 3513762729 = 80662^2 + 59277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020120973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020120373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010060486 + 5010060487.

It is an arithmetic number, because the mean of its divisors is an integer number (5010060487).

Almost surely, 2^10020120973 is an apocalyptic number.

It is an amenable number.

10020120973 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020120973 is an equidigital number, since it uses as much as digits as its factorization.

10020120973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 10020120973 its reverse (37902102001), we get a palindrome (47922222974).

The spelling of 10020120973 in words is "ten billion, twenty million, one hundred twenty thousand, nine hundred seventy-three".