30032222220 has 288 divisors, whose sum is σ = 122313784320. Its totient is φ = 5760391680.

The previous prime is 30032222167. The next prime is 30032222243. The reversal of 30032222220 is 2222223003.

30032222220 is a `hidden beast` number, since 300 + 322 + 2 + 22 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30032222193 and 30032222202.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 96841 + ... + 263519.

It is an arithmetic number, because the mean of its divisors is an integer number (424700640).

Almost surely, 2^30032222220 is an apocalyptic number.

30032222220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30032222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61156892160).

30032222220 is an abundant number, since it is smaller than the sum of its proper divisors (92281562100).

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

30032222220 is a wasteful number, since it uses less digits than its factorization.

30032222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166725 (or 166720 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 30032222220 its reverse (2222223003), we get a palindrome (32254445223).

It can be divided in two parts, 30032 and 222220, that added together give a palindrome (252252).

The spelling of 30032222220 in words is "thirty billion, thirty-two million, two hundred twenty-two thousand, two hundred twenty".