30033021020 has 12 divisors (see below), whose sum is σ = 63069344184. Its totient is φ = 12013208400.

The previous prime is 30033021001. The next prime is 30033021037. The reversal of 30033021020 is 2012033003.

It is a junction number, because it is equal to n+sod(n) for n = 30033020986 and 30033021004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750825506 + ... + 750825545.

It is an arithmetic number, because the mean of its divisors is an integer number (5255778682).

Almost surely, 2^30033021020 is an apocalyptic number.

It is an amenable number.

30033021020 is an abundant number, since it is smaller than the sum of its proper divisors (33036323164).

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

30033021020 is a wasteful number, since it uses less digits than its factorization.

30033021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501651060 (or 1501651058 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 30033021020 its reverse (2012033003), we get a palindrome (32045054023).

The spelling of 30033021020 in words is "thirty billion, thirty-three million, twenty-one thousand, twenty".