33520068 has 30 divisors (see below), whose sum is σ = 87628926. Its totient is φ = 11173248.

The previous prime is 33520063. The next prime is 33520087. The reversal of 33520068 is 86002533.

It can be written as a sum of positive squares in only one way, i.e., 26132544 + 7387524 = 5112^2 + 2718^2 .

It is a super-2 number, since 2×33520068² = 2247189917449248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (33520061) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 51405 + ... + 52052.

Almost surely, 2^33520068 is an apocalyptic number.

It is an amenable number.

33520068 is an abundant number, since it is smaller than the sum of its proper divisors (54108858).

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

33520068 is a wasteful number, since it uses less digits than its factorization.

33520068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103473 (or 103462 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 33520068 is about 5789.6518030016. The cubic root of 33520068 is about 322.4296439276.

The spelling of 33520068 in words is "thirty-three million, five hundred twenty thousand, sixty-eight".