30003301020 has 384 divisors, whose sum is σ = 114486607872. Its totient is φ = 5677977600.

The previous prime is 30003301001. The next prime is 30003301091. The reversal of 30003301020 is 2010330003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30003300987 and 30003301005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2428579 + ... + 2440901.

It is an arithmetic number, because the mean of its divisors is an integer number (298142208).

Almost surely, 2^30003301020 is an apocalyptic number.

30003301020 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 30003301020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57243303936).

30003301020 is an abundant number, since it is smaller than the sum of its proper divisors (84483306852).

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

30003301020 is a wasteful number, since it uses less digits than its factorization.

30003301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12401 (or 12399 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 30003301020 its reverse (2010330003), we get a palindrome (32013631023).

The spelling of 30003301020 in words is "thirty billion, three million, three hundred one thousand, twenty".