30021202220 has 24 divisors (see below), whose sum is σ = 63209147904. Its totient is φ = 11977124096.

The previous prime is 30021202219. The next prime is 30021202229. The reversal of 30021202220 is 2220212003.

It is a junction number, because it is equal to n+sod(n) for n = 30021202195 and 30021202204.

It is not an unprimeable number, because it can be changed into a prime (30021202229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1951949 + ... + 1967268.

It is an arithmetic number, because the mean of its divisors is an integer number (2633714496).

Almost surely, 2^30021202220 is an apocalyptic number.

It is an amenable number.

30021202220 is an abundant number, since it is smaller than the sum of its proper divisors (33187945684).

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

30021202220 is a wasteful number, since it uses less digits than its factorization.

30021202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919609 (or 3919607 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 30021202220 its reverse (2220212003), we get a palindrome (32241414223).

The spelling of 30021202220 in words is "thirty billion, twenty-one million, two hundred two thousand, two hundred twenty".