33868350020 has 36 divisors (see below), whose sum is σ = 73491894252. Its totient is φ = 13110321600.

The previous prime is 33868349993. The next prime is 33868350053. The reversal of 33868350020 is 2005386833.

It can be written as a sum of positive squares in 2 ways, for example, as 11745357376 + 22122992644 = 108376^2 + 148738^2 .

It is a super-2 number, since 2×33868350020² (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 11 ways as a sum of consecutive naturals, for example, 861851 + ... + 900290.

It is an arithmetic number, because the mean of its divisors is an integer number (2041441507).

Almost surely, 2^33868350020 is an apocalyptic number.

It is an amenable number.

33868350020 is an abundant number, since it is smaller than the sum of its proper divisors (39623544232).

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

33868350020 is a wasteful number, since it uses less digits than its factorization.

33868350020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762212 (or 1762179 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 33868350020 in words is "thirty-three billion, eight hundred sixty-eight million, three hundred fifty thousand, twenty".