33040120 has 32 divisors (see below), whose sum is σ = 74685600. Its totient is φ = 13154688.

The previous prime is 33040103. The next prime is 33040127. The reversal of 33040120 is 2104033.

It is a super-2 number, since 2×33040120² = 2183299059228800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33040120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33040127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7357 + ... + 10963.

It is an arithmetic number, because the mean of its divisors is an integer number (2333925).

Almost surely, 2^33040120 is an apocalyptic number.

It is an amenable number.

33040120 is an abundant number, since it is smaller than the sum of its proper divisors (41645480).

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

33040120 is a wasteful number, since it uses less digits than its factorization.

33040120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847 (or 3843 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 33040120 is about 5748.0535836055. The cubic root of 33040120 is about 320.8833664966.

Adding to 33040120 its reverse (2104033), we get a palindrome (35144153).

The spelling of 33040120 in words is "thirty-three million, forty thousand, one hundred twenty".