30032220033 has 12 divisors (see below), whose sum is σ = 44198362260. Its totient is φ = 19643715936.

The previous prime is 30032220017. The next prime is 30032220041. The reversal of 30032220033 is 33002223003.

It can be written as a sum of positive squares in 2 ways, for example, as 18175623489 + 11856596544 = 134817^2 + 108888^2 .

It is not a de Polignac number, because 30032220033 - 2⁴ = 30032220017 is a prime.

It is a super-2 number, since 2×30032220033² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30032219988 and 30032220015.

It is not an unprimeable number, because it can be changed into a prime (30032220233) 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, 31479838 + ... + 31480791.

It is an arithmetic number, because the mean of its divisors is an integer number (3683196855).

Almost surely, 2^30032220033 is an apocalyptic number.

It is an amenable number.

30032220033 is a deficient number, since it is larger than the sum of its proper divisors (14166142227).

30032220033 is a wasteful number, since it uses less digits than its factorization.

30032220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62960688 (or 62960685 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 30032220033 its reverse (33002223003), we get a palindrome (63034443036).

The spelling of 30032220033 in words is "thirty billion, thirty-two million, two hundred twenty thousand, thirty-three".