30230042020 has 24 divisors (see below), whose sum is σ = 63486360000. Its totient is φ = 12091393632.

The previous prime is 30230041981. The next prime is 30230042021. The reversal of 30230042020 is 2024003203.

It is a junction number, because it is equal to n+sod(n) for n = 30230041985 and 30230042003.

It is not an unprimeable number, because it can be changed into a prime (30230042021) 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, 711331 + ... + 752629.

It is an arithmetic number, because the mean of its divisors is an integer number (2645265000).

Almost surely, 2^30230042020 is an apocalyptic number.

It is an amenable number.

30230042020 is an abundant number, since it is smaller than the sum of its proper divisors (33256317980).

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

30230042020 is a wasteful number, since it uses less digits than its factorization.

30230042020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77907 (or 77905 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 30230042020 its reverse (2024003203), we get a palindrome (32254045223).

The spelling of 30230042020 in words is "thirty billion, two hundred thirty million, forty-two thousand, twenty".