33420158 has 4 divisors (see below), whose sum is σ = 50130240. Its totient is φ = 16710078.

The previous prime is 33420109. The next prime is 33420161. The reversal of 33420158 is 85102433.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×33420158² = 2233813921489928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8355038 + ... + 8355041.

It is an arithmetic number, because the mean of its divisors is an integer number (12532560).

Almost surely, 2^33420158 is an apocalyptic number.

33420158 is a deficient number, since it is larger than the sum of its proper divisors (16710082).

33420158 is a wasteful number, since it uses less digits than its factorization.

33420158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16710081.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 33420158 is about 5781.0170385495. The cubic root of 33420158 is about 322.1089802535.

The spelling of 33420158 in words is "thirty-three million, four hundred twenty thousand, one hundred fifty-eight".