33676765920 has 144 divisors (see below), whose sum is σ = 131339426400. Its totient is φ = 7697544192.

The previous prime is 33676765909. The next prime is 33676765921. The reversal of 33676765920 is 2956767633.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×33676765920² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33676765921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1660395 + ... + 1680554.

It is an arithmetic number, because the mean of its divisors is an integer number (912079350).

Almost surely, 2^33676765920 is an apocalyptic number.

33676765920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33676765920 is an abundant number, since it is smaller than the sum of its proper divisors (97662660480).

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

33676765920 is a wasteful number, since it uses less digits than its factorization.

33676765920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340977 (or 3340966 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 54.

The spelling of 33676765920 in words is "thirty-three billion, six hundred seventy-six million, seven hundred sixty-five thousand, nine hundred twenty".