30420120213 has 16 divisors (see below), whose sum is σ = 51504965760. Its totient is φ = 17382925728.

The previous prime is 30420120149. The next prime is 30420120271. The reversal of 30420120213 is 31202102403.

30420120213 is a `hidden beast` number, since 30 + 420 + 1 + 2 + 0 + 213 = 666.

It is not a de Polignac number, because 30420120213 - 2⁶ = 30420120149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420120113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80476320 + ... + 80476697.

It is an arithmetic number, because the mean of its divisors is an integer number (3219060360).

Almost surely, 2^30420120213 is an apocalyptic number.

It is an amenable number.

30420120213 is a deficient number, since it is larger than the sum of its proper divisors (21084845547).

30420120213 is a wasteful number, since it uses less digits than its factorization.

30420120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160953033 (or 160953027 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30420120213 its reverse (31202102403), we get a palindrome (61622222616).

The spelling of 30420120213 in words is "thirty billion, four hundred twenty million, one hundred twenty thousand, two hundred thirteen".