20136530059 has 2 divisors, whose sum is σ = 20136530060. Its totient is φ = 20136530058.

The previous prime is 20136529997. The next prime is 20136530081. The reversal of 20136530059 is 95003563102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20136530059 - 2¹⁵ = 20136497291 is a prime.

It is not a weakly prime, because it can be changed into another prime (20136534059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10068265029 + 10068265030.

It is an arithmetic number, because the mean of its divisors is an integer number (10068265030).

Almost surely, 2^20136530059 is an apocalyptic number.

20136530059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20136530059 is an equidigital number, since it uses as much as digits as its factorization.

20136530059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 20136530059 in words is "twenty billion, one hundred thirty-six million, five hundred thirty thousand, fifty-nine".