33130020229 has 4 divisors (see below), whose sum is σ = 33138263500. Its totient is φ = 33121776960.

The previous prime is 33130020169. The next prime is 33130020233. The reversal of 33130020229 is 92202003133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13677302500 + 19452717729 = 116950^2 + 139473^2 .

It is a cyclic number.

It is not a de Polignac number, because 33130020229 - 2²⁵ = 33096465797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130020299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4115604 + ... + 4123645.

It is an arithmetic number, because the mean of its divisors is an integer number (8284565875).

Almost surely, 2^33130020229 is an apocalyptic number.

It is an amenable number.

33130020229 is a deficient number, since it is larger than the sum of its proper divisors (8243271).

33130020229 is an equidigital number, since it uses as much as digits as its factorization.

33130020229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243270.

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 33130020229 in words is "thirty-three billion, one hundred thirty million, twenty thousand, two hundred twenty-nine".