20973059 has 2 divisors, whose sum is σ = 20973060. Its totient is φ = 20973058.

The previous prime is 20973041. The next prime is 20973083. The reversal of 20973059 is 95037902.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20973059 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20973089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10486529 + 10486530.

It is an arithmetic number, because the mean of its divisors is an integer number (10486530).

Almost surely, 2^20973059 is an apocalyptic number.

20973059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20973059 is an equidigital number, since it uses as much as digits as its factorization.

20973059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 20973059 is about 4579.6352474842. The cubic root of 20973059 is about 275.7743859171.

The spelling of 20973059 in words is "twenty million, nine hundred seventy-three thousand, fifty-nine".