30220202033 has 6 divisors (see below), whose sum is σ = 35154112626. Its totient is φ = 25903030272.

The previous prime is 30220202009. The next prime is 30220202063. The reversal of 30220202033 is 33020202203.

It can be written as a sum of positive squares in only one way, i.e., 20731104289 + 9489097744 = 143983^2 + 97412^2 .

It is not a de Polignac number, because 30220202033 - 2⁸ = 30220201777 is a prime.

It is a super-2 number, since 2×30220202033² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30220202003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308369360 + ... + 308369457.

It is an arithmetic number, because the mean of its divisors is an integer number (5859018771).

Almost surely, 2^30220202033 is an apocalyptic number.

It is an amenable number.

30220202033 is a deficient number, since it is larger than the sum of its proper divisors (4933910593).

30220202033 is an equidigital number, since it uses as much as digits as its factorization.

30220202033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616738831 (or 616738824 counting only the distinct ones).

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

Adding to 30220202033 its reverse (33020202203), we get a palindrome (63240404236).

The spelling of 30220202033 in words is "thirty billion, two hundred twenty million, two hundred two thousand, thirty-three".