20700059 has 2 divisors, whose sum is σ = 20700060. Its totient is φ = 20700058.

The previous prime is 20700049. The next prime is 20700073. The reversal of 20700059 is 95000702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20700059 - 2⁸ = 20699803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20700049) 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, 10350029 + 10350030.

It is an arithmetic number, because the mean of its divisors is an integer number (10350030).

Almost surely, 2^20700059 is an apocalyptic number.

20700059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20700059 is an equidigital number, since it uses as much as digits as its factorization.

20700059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 20700059 is about 4549.7317503343. The cubic root of 20700059 is about 274.5725988933.

The spelling of 20700059 in words is "twenty million, seven hundred thousand, fifty-nine".