30020004239 has 4 divisors (see below), whose sum is σ = 30027137400. Its totient is φ = 30012871080.

The previous prime is 30020004233. The next prime is 30020004257. The reversal of 30020004239 is 93240002003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30020004239 - 2²⁸ = 29751568783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020004233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560264 + ... + 3568685.

It is an arithmetic number, because the mean of its divisors is an integer number (7506784350).

Almost surely, 2^30020004239 is an apocalyptic number.

30020004239 is a deficient number, since it is larger than the sum of its proper divisors (7133161).

30020004239 is an equidigital number, since it uses as much as digits as its factorization.

30020004239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7133160.

The product of its (nonzero) digits is 1296, while the sum is 23.

The spelling of 30020004239 in words is "thirty billion, twenty million, four thousand, two hundred thirty-nine".