33420159 has 12 divisors (see below), whose sum is σ = 49396776. Its totient is φ = 21761712.

The previous prime is 33420109. The next prime is 33420161. The reversal of 33420159 is 95102433.

It is not a de Polignac number, because 33420159 - 2⁹ = 33419647 is a prime.

It is a super-2 number, since 2×33420159² = 2233814055170562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33420109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42792 + ... + 43565.

It is an arithmetic number, because the mean of its divisors is an integer number (4116398).

Almost surely, 2^33420159 is an apocalyptic number.

33420159 is a deficient number, since it is larger than the sum of its proper divisors (15976617).

33420159 is a wasteful number, since it uses less digits than its factorization.

33420159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86406 (or 86403 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 33420159 is about 5781.0171250395. The cubic root of 33420159 is about 322.1089834662.

The spelling of 33420159 in words is "thirty-three million, four hundred twenty thousand, one hundred fifty-nine".