30300243220 has 36 divisors (see below), whose sum is σ = 68901685020. Its totient is φ = 11187780864.

The previous prime is 30300243173. The next prime is 30300243223. The reversal of 30300243220 is 2234200303.

It can be written as a sum of positive squares in 6 ways, for example, as 12529220356 + 17771022864 = 111934^2 + 133308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300243223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4478905 + ... + 4485664.

It is an arithmetic number, because the mean of its divisors is an integer number (1913935695).

Almost surely, 2^30300243220 is an apocalyptic number.

It is an amenable number.

30300243220 is an abundant number, since it is smaller than the sum of its proper divisors (38601441800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30300243220 is a wasteful number, since it uses less digits than its factorization.

30300243220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8964604 (or 8964589 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 30300243220 its reverse (2234200303), we get a palindrome (32534443523).

The spelling of 30300243220 in words is "thirty billion, three hundred million, two hundred forty-three thousand, two hundred twenty".