30220220033 has 4 divisors (see below), whose sum is σ = 30340619568. Its totient is φ = 30099820500.

The previous prime is 30220219987. The next prime is 30220220039. The reversal of 30220220033 is 33002202203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33002202203 = 20107 ⋅1641329.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30220220033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30220219993 and 30220220020.

It is not an unprimeable number, because it can be changed into a prime (30220220039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60199391 + ... + 60199892.

It is an arithmetic number, because the mean of its divisors is an integer number (7585154892).

Almost surely, 2^30220220033 is an apocalyptic number.

It is an amenable number.

30220220033 is a deficient number, since it is larger than the sum of its proper divisors (120399535).

30220220033 is a wasteful number, since it uses less digits than its factorization.

30220220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120399534.

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 30220220033 its reverse (33002202203), we get a palindrome (63222422236).

The spelling of 30220220033 in words is "thirty billion, two hundred twenty million, two hundred twenty thousand, thirty-three".