33860966920 has 64 divisors (see below), whose sum is σ = 83397263040. Its totient is φ = 12271008000.

The previous prime is 33860966903. The next prime is 33860966933. The reversal of 33860966920 is 2966906833.

It is a happy number.

It is a super-2 number, since 2×33860966920² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2406 + ... + 260245.

It is an arithmetic number, because the mean of its divisors is an integer number (1303082235).

Almost surely, 2^33860966920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33860966920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41698631520).

33860966920 is an abundant number, since it is smaller than the sum of its proper divisors (49536296120).

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

33860966920 is a wasteful number, since it uses less digits than its factorization.

33860966920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262966 (or 262962 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 52.

The spelling of 33860966920 in words is "thirty-three billion, eight hundred sixty million, nine hundred sixty-six thousand, nine hundred twenty".