30066531220 has 48 divisors (see below), whose sum is σ = 69375297600. Its totient is φ = 10854616320.

The previous prime is 30066531191. The next prime is 30066531239. The reversal of 30066531220 is 2213566003.

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, 461025 + ... + 522184.

It is an arithmetic number, because the mean of its divisors is an integer number (1445318700).

Almost surely, 2^30066531220 is an apocalyptic number.

It is an amenable number.

30066531220 is an abundant number, since it is smaller than the sum of its proper divisors (39308766380).

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

30066531220 is a wasteful number, since it uses less digits than its factorization.

30066531220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983368 (or 983366 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 30066531220 in words is "thirty billion, sixty-six million, five hundred thirty-one thousand, two hundred twenty".