33940120 has 32 divisors (see below), whose sum is σ = 76561200. Its totient is φ = 13541248.

The previous prime is 33940117. The next prime is 33940129. The reversal of 33940120 is 2104933.

It is a super-2 number, since 2×33940120² = 2303863491228800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33940091 and 33940100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33940129) 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, 19527 + ... + 21193.

Almost surely, 2^33940120 is an apocalyptic number.

It is an amenable number.

33940120 is an abundant number, since it is smaller than the sum of its proper divisors (42621080).

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

33940120 is a wasteful number, since it uses less digits than its factorization.

33940120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 33940120 is about 5825.8149644492. The cubic root of 33940120 is about 323.7708840998.

The spelling of 33940120 in words is "thirty-three million, nine hundred forty thousand, one hundred twenty".