20734068 has 12 divisors (see below), whose sum is σ = 48379520. Its totient is φ = 6911352.

The previous prime is 20734061. The next prime is 20734079. The reversal of 20734068 is 86043702.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20734061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863908 + ... + 863931.

Almost surely, 2^20734068 is an apocalyptic number.

It is an amenable number.

20734068 is an abundant number, since it is smaller than the sum of its proper divisors (27645452).

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

20734068 is a wasteful number, since it uses less digits than its factorization.

20734068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727846 (or 1727844 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 20734068 is about 4553.4676895746. The cubic root of 20734068 is about 274.7228855870.

The spelling of 20734068 in words is "twenty million, seven hundred thirty-four thousand, sixty-eight".