33165220116020 has 48 divisors (see below), whose sum is σ = 70219763526528. Its totient is φ = 13157427465600.

The previous prime is 33165220115981. The next prime is 33165220116029. The reversal of 33165220116020 is 2061102256133.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33165220116029) 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 15 ways as a sum of consecutive naturals, for example, 12694031 + ... + 15082070.

It is an arithmetic number, because the mean of its divisors is an integer number (1462911740136).

Almost surely, 2^{33165220116020} is an apocalyptic number.

It is an amenable number.

33165220116020 is an abundant number, since it is smaller than the sum of its proper divisors (37054543410508).

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

33165220116020 is a wasteful number, since it uses less digits than its factorization.

33165220116020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27776600 (or 27776598 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 33165220116020 in words is "thirty-three trillion, one hundred sixty-five billion, two hundred twenty million, one hundred sixteen thousand, twenty".