33120220130 has 16 divisors (see below), whose sum is σ = 59627224440. Its totient is φ = 13245681792.

The previous prime is 33120220129. The next prime is 33120220163. The reversal of 33120220130 is 3102202133.

It can be written as a sum of positive squares in 4 ways, for example, as 31886173489 + 1234046641 = 178567^2 + 35129^2 .

It is a junction number, because it is equal to n+sod(n) for n = 33120220099 and 33120220108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242435 + ... + 353574.

Almost surely, 2^33120220130 is an apocalyptic number.

33120220130 is a deficient number, since it is larger than the sum of its proper divisors (26507004310).

33120220130 is a wasteful number, since it uses less digits than its factorization.

33120220130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601573.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 33120220130 its reverse (3102202133), we get a palindrome (36222422263).

The spelling of 33120220130 in words is "thirty-three billion, one hundred twenty million, two hundred twenty thousand, one hundred thirty".