33120332994 has 128 divisors (see below), whose sum is σ = 84413767680. Its totient is φ = 8440464384.

The previous prime is 33120332983. The next prime is 33120333007. The reversal of 33120332994 is 49923302133.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1780747 + ... + 1799249.

It is an arithmetic number, because the mean of its divisors is an integer number (659482560).

Almost surely, 2^33120332994 is an apocalyptic number.

33120332994 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33120332994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42206883840).

33120332994 is an abundant number, since it is smaller than the sum of its proper divisors (51293434686).

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

33120332994 is a wasteful number, since it uses less digits than its factorization.

33120332994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18664.

The product of its (nonzero) digits is 104976, while the sum is 39.

The spelling of 33120332994 in words is "thirty-three billion, one hundred twenty million, three hundred thirty-two thousand, nine hundred ninety-four".