30220213204 has 6 divisors (see below), whose sum is σ = 52885373114. Its totient is φ = 15110106600.

The previous prime is 30220213187. The next prime is 30220213207. The reversal of 30220213204 is 40231202203.

It can be written as a sum of positive squares in only one way, i.e., 15289817104 + 14930396100 = 123652^2 + 122190^2 .

It is a super-2 number, since 2×30220213204² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220213207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3777526647 + ... + 3777526654.

Almost surely, 2^30220213204 is an apocalyptic number.

It is an amenable number.

30220213204 is a deficient number, since it is larger than the sum of its proper divisors (22665159910).

30220213204 is a wasteful number, since it uses less digits than its factorization.

30220213204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555053305 (or 7555053303 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30220213204 its reverse (40231202203), we get a palindrome (70451415407).

The spelling of 30220213204 in words is "thirty billion, two hundred twenty million, two hundred thirteen thousand, two hundred four".