30465012220 has 24 divisors (see below), whose sum is σ = 64747330704. Its totient is φ = 12039184896.

The previous prime is 30465012161. The next prime is 30465012247. The reversal of 30465012220 is 2221056403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9174549 + ... + 9177868.

It is an arithmetic number, because the mean of its divisors is an integer number (2697805446).

Almost surely, 2^30465012220 is an apocalyptic number.

It is an amenable number.

30465012220 is an abundant number, since it is smaller than the sum of its proper divisors (34282318484).

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

30465012220 is a wasteful number, since it uses less digits than its factorization.

30465012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18352509 (or 18352507 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 30465012220 its reverse (2221056403), we get a palindrome (32686068623).

The spelling of 30465012220 in words is "thirty billion, four hundred sixty-five million, twelve thousand, two hundred twenty".