33038220078 has 24 divisors (see below), whose sum is σ = 71848927800. Its totient is φ = 10971798864.

The previous prime is 33038220071. The next prime is 33038220151. The reversal of 33038220078 is 87002283033.

33038220078 is a `hidden beast` number, since 3 + 3 + 0 + 382 + 200 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33038220071) 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, 3406788 + ... + 3416471.

It is an arithmetic number, because the mean of its divisors is an integer number (2993705325).

Almost surely, 2^33038220078 is an apocalyptic number.

33038220078 is an abundant number, since it is smaller than the sum of its proper divisors (38810707722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33038220078 is a wasteful number, since it uses less digits than its factorization.

33038220078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6823536 (or 6823533 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

It can be divided in two parts, 33038 and 220078, that added together give a triangular number (253116 = T₇₁₁).

The spelling of 33038220078 in words is "thirty-three billion, thirty-eight million, two hundred twenty thousand, seventy-eight".