20147059 has 2 divisors, whose sum is σ = 20147060. Its totient is φ = 20147058.

The previous prime is 20147033. The next prime is 20147063. The reversal of 20147059 is 95074102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20147059 is a prime.

It is a super-3 number, since 3×20147059³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20147089) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10073529 + 10073530.

It is an arithmetic number, because the mean of its divisors is an integer number (10073530).

Almost surely, 2^20147059 is an apocalyptic number.

20147059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20147059 is an equidigital number, since it uses as much as digits as its factorization.

20147059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 20147059 is about 4488.5475379013. The cubic root of 20147059 is about 272.1054368846.

The spelling of 20147059 in words is "twenty million, one hundred forty-seven thousand, fifty-nine".