33420130 has 32 divisors (see below), whose sum is σ = 64591344. Its totient is φ = 12404736.

The previous prime is 33420109. The next prime is 33420161. The reversal of 33420130 is 3102433.

It can be written as a sum of positive squares in 8 ways, for example, as 18896409 + 14523721 = 4347^2 + 3811^2 .

It is a super-2 number, since 2×33420130² = 2233810178433800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 11064 + ... + 13756.

Almost surely, 2^33420130 is an apocalyptic number.

33420130 is a deficient number, since it is larger than the sum of its proper divisors (31171214).

33420130 is a wasteful number, since it uses less digits than its factorization.

33420130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 33420130 is about 5781.0146168298. The cubic root of 33420130 is about 322.1088902973.

Adding to 33420130 its reverse (3102433), we get a palindrome (36522563).

The spelling of 33420130 in words is "thirty-three million, four hundred twenty thousand, one hundred thirty".