30703727220 has 24 divisors (see below), whose sum is σ = 85970436384. Its totient is φ = 8187660576.

The previous prime is 30703727209. The next prime is 30703727227. The reversal of 30703727220 is 2272730703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30703727227) 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, 255864334 + ... + 255864453.

It is an arithmetic number, because the mean of its divisors is an integer number (3582101516).

Almost surely, 2^30703727220 is an apocalyptic number.

30703727220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30703727220 is an abundant number, since it is smaller than the sum of its proper divisors (55266709164).

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

30703727220 is a wasteful number, since it uses less digits than its factorization.

30703727220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511728799 (or 511728797 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 33.

The spelling of 30703727220 in words is "thirty billion, seven hundred three million, seven hundred twenty-seven thousand, two hundred twenty".