33360665220 has 72 divisors (see below), whose sum is σ = 101519570880. Its totient is φ = 8867557440.

The previous prime is 33360665213. The next prime is 33360665251. The reversal of 33360665220 is 2256606333.

It is a super-2 number, since 2×33360665220² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241990 + ... + 353949.

It is an arithmetic number, because the mean of its divisors is an integer number (1409994040).

Almost surely, 2^33360665220 is an apocalyptic number.

33360665220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33360665220 is an abundant number, since it is smaller than the sum of its proper divisors (68158905660).

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

33360665220 is a wasteful number, since it uses less digits than its factorization.

33360665220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596265 (or 596260 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

The spelling of 33360665220 in words is "thirty-three billion, three hundred sixty million, six hundred sixty-five thousand, two hundred twenty".