30212220320 has 24 divisors (see below), whose sum is σ = 71376370884. Its totient is φ = 12084888064.

The previous prime is 30212220277. The next prime is 30212220341. The reversal of 30212220320 is 2302221203.

It can be written as a sum of positive squares in 2 ways, for example, as 27671657104 + 2540563216 = 166348^2 + 50404^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94413029 + ... + 94413348.

Almost surely, 2^30212220320 is an apocalyptic number.

It is an amenable number.

30212220320 is an abundant number, since it is smaller than the sum of its proper divisors (41164150564).

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

30212220320 is a wasteful number, since it uses less digits than its factorization.

30212220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188826392 (or 188826384 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30212220320 its reverse (2302221203), we get a palindrome (32514441523).

The spelling of 30212220320 in words is "thirty billion, two hundred twelve million, two hundred twenty thousand, three hundred twenty".