30203222220 has 96 divisors (see below), whose sum is σ = 94075914240. Its totient is φ = 8044735680.

The previous prime is 30203222219. The next prime is 30203222233. The reversal of 30203222220 is 2222230203.

30203222220 is a `hidden beast` number, since 302 + 0 + 322 + 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 = 30203222193 and 30203222202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433615 + ... + 498425.

It is an arithmetic number, because the mean of its divisors is an integer number (979957440).

Almost surely, 2^30203222220 is an apocalyptic number.

30203222220 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 30203222220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47037957120).

30203222220 is an abundant number, since it is smaller than the sum of its proper divisors (63872692020).

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

30203222220 is a wasteful number, since it uses less digits than its factorization.

30203222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65692 (or 65684 counting only the distinct ones).

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

Adding to 30203222220 its reverse (2222230203), we get a palindrome (32425452423).

The spelling of 30203222220 in words is "thirty billion, two hundred three million, two hundred twenty-two thousand, two hundred twenty".