30020839133 has 2 divisors, whose sum is σ = 30020839134. Its totient is φ = 30020839132.

The previous prime is 30020839127. The next prime is 30020839157. The reversal of 30020839133 is 33193802003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30012790564 + 8048569 = 173242^2 + 2837^2 .

It is a cyclic number.

It is not a de Polignac number, because 30020839133 - 2⁴ = 30020839117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30020839133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020839183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010419566 + 15010419567.

It is an arithmetic number, because the mean of its divisors is an integer number (15010419567).

Almost surely, 2^30020839133 is an apocalyptic number.

It is an amenable number.

30020839133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020839133 is an equidigital number, since it uses as much as digits as its factorization.

30020839133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 30020839133 in words is "thirty billion, twenty million, eight hundred thirty-nine thousand, one hundred thirty-three".