30020682513 has 4 divisors (see below), whose sum is σ = 40027576688. Its totient is φ = 20013788340.

The previous prime is 30020682467. The next prime is 30020682577. The reversal of 30020682513 is 31528602003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31528602003 = 3 ⋅10509534001.

It is not a de Polignac number, because 30020682513 - 2⁹ = 30020682001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30020682113) 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, 5003447083 + ... + 5003447088.

It is an arithmetic number, because the mean of its divisors is an integer number (10006894172).

Almost surely, 2^30020682513 is an apocalyptic number.

It is an amenable number.

30020682513 is a deficient number, since it is larger than the sum of its proper divisors (10006894175).

30020682513 is a wasteful number, since it uses less digits than its factorization.

30020682513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006894174.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 30020682513 in words is "thirty billion, twenty million, six hundred eighty-two thousand, five hundred thirteen".