30421304020 has 12 divisors (see below), whose sum is σ = 63884738484. Its totient is φ = 12168521600.

The previous prime is 30421304003. The next prime is 30421304077. The reversal of 30421304020 is 2040312403.

It can be written as a sum of positive squares in 2 ways, for example, as 11174181264 + 19247122756 = 105708^2 + 138734^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760532581 + ... + 760532620.

It is an arithmetic number, because the mean of its divisors is an integer number (5323728207).

Almost surely, 2^30421304020 is an apocalyptic number.

It is an amenable number.

30421304020 is an abundant number, since it is smaller than the sum of its proper divisors (33463434464).

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

30421304020 is a wasteful number, since it uses less digits than its factorization.

30421304020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521065210 (or 1521065208 counting only the distinct ones).

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

Adding to 30421304020 its reverse (2040312403), we get a palindrome (32461616423).

The spelling of 30421304020 in words is "thirty billion, four hundred twenty-one million, three hundred four thousand, twenty".