30301402420 has 24 divisors (see below), whose sum is σ = 63711635400. Its totient is φ = 12105572352.

The previous prime is 30301402399. The next prime is 30301402427. The reversal of 30301402420 is 2420410303.

It can be written as a sum of positive squares in 4 ways, for example, as 10362832804 + 19938569616 = 101798^2 + 141204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30301402427) 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 7 ways as a sum of consecutive naturals, for example, 920205 + ... + 952564.

It is an arithmetic number, because the mean of its divisors is an integer number (2654651475).

Almost surely, 2^30301402420 is an apocalyptic number.

It is an amenable number.

30301402420 is an abundant number, since it is smaller than the sum of its proper divisors (33410232980).

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

30301402420 is a wasteful number, since it uses less digits than its factorization.

30301402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873587 (or 1873585 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30301402420 its reverse (2420410303), we get a palindrome (32721812723).

The spelling of 30301402420 in words is "thirty billion, three hundred one million, four hundred two thousand, four hundred twenty".