30030020011 has 12 divisors (see below), whose sum is σ = 31701105000. Its totient is φ = 28442875968.

The previous prime is 30030019991. The next prime is 30030020017. The reversal of 30030020011 is 11002003003.

It is not a de Polignac number, because 30030020011 - 2⁵ = 30030019979 is a prime.

It is a super-2 number, since 2×30030020011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30030020011.

It is not an unprimeable number, because it can be changed into a prime (30030020017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2321640 + ... + 2334538.

It is an arithmetic number, because the mean of its divisors is an integer number (2641758750).

Almost surely, 2^30030020011 is an apocalyptic number.

30030020011 is a deficient number, since it is larger than the sum of its proper divisors (1671084989).

30030020011 is a wasteful number, since it uses less digits than its factorization.

30030020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19386 (or 19367 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 30030020011 its reverse (11002003003), we get a palindrome (41032023014).

The spelling of 30030020011 in words is "thirty billion, thirty million, twenty thousand, eleven".