33298020 has 192 divisors, whose sum is σ = 123863040. Its totient is φ = 7261056.

The previous prime is 33297989. The next prime is 33298033. The reversal of 33298020 is 2089233.

It is a super-2 number, since 2×33298020² = 2217516271840800, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86749 + ... + 87131.

It is an arithmetic number, because the mean of its divisors is an integer number (645120).

Almost surely, 2^33298020 is an apocalyptic number.

33298020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33298020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61931520).

33298020 is an abundant number, since it is smaller than the sum of its proper divisors (90565020).

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

33298020 is a wasteful number, since it uses less digits than its factorization.

33298020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 33298020 is about 5770.4436571203. The cubic root of 33298020 is about 321.7161058835.

The spelling of 33298020 in words is "thirty-three million, two hundred ninety-eight thousand, twenty".