30302233220 has 48 divisors (see below), whose sum is σ = 76553016960. Its totient is φ = 9842529024.

The previous prime is 30302233189. The next prime is 30302233237. The reversal of 30302233220 is 2233220303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30302233192 and 30302233201.

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, 5693249 + ... + 5698568.

It is an arithmetic number, because the mean of its divisors is an integer number (1594854520).

Almost surely, 2^30302233220 is an apocalyptic number.

It is an amenable number.

30302233220 is an abundant number, since it is smaller than the sum of its proper divisors (46250783740).

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

30302233220 is a wasteful number, since it uses less digits than its factorization.

30302233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11391852 (or 11391850 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 30302233220 its reverse (2233220303), we get a palindrome (32535453523).

The spelling of 30302233220 in words is "thirty billion, three hundred two million, two hundred thirty-three thousand, two hundred twenty".