30305275020 has 72 divisors (see below), whose sum is σ = 92001349440. Its totient is φ = 8074782720.

The previous prime is 30305275003. The next prime is 30305275031. The reversal of 30305275020 is 2057250303.

It is a super-3 number, since 3×30305275020³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 153196 + ... + 289964.

It is an arithmetic number, because the mean of its divisors is an integer number (1277796520).

Almost surely, 2^30305275020 is an apocalyptic number.

30305275020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30305275020 is an abundant number, since it is smaller than the sum of its proper divisors (61696074420).

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

30305275020 is a wasteful number, since it uses less digits than its factorization.

30305275020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138015 (or 138010 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The spelling of 30305275020 in words is "thirty billion, three hundred five million, two hundred seventy-five thousand, twenty".