30304040020 has 48 divisors (see below), whose sum is σ = 64943399808. Its totient is φ = 11873796480.

The previous prime is 30304039963. The next prime is 30304040051. The reversal of 30304040020 is 2004040303.

It is a junction number, because it is equal to n+sod(n) for n = 30304039976 and 30304040003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646207 + ... + 691513.

It is an arithmetic number, because the mean of its divisors is an integer number (1352987496).

Almost surely, 2^30304040020 is an apocalyptic number.

It is an amenable number.

30304040020 is an abundant number, since it is smaller than the sum of its proper divisors (34639359788).

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

30304040020 is a wasteful number, since it uses less digits than its factorization.

30304040020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46000 (or 45998 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 30304040020 its reverse (2004040303), we get a palindrome (32308080323).

The spelling of 30304040020 in words is "thirty billion, three hundred four million, forty thousand, twenty".