20734694 has 8 divisors (see below), whose sum is σ = 31410288. Its totient is φ = 10264600.

The previous prime is 20734687. The next prime is 20734699. The reversal of 20734694 is 49643702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20734699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51122 + ... + 51525.

It is an arithmetic number, because the mean of its divisors is an integer number (3926286).

Almost surely, 2^20734694 is an apocalyptic number.

20734694 is a deficient number, since it is larger than the sum of its proper divisors (10675594).

20734694 is a wasteful number, since it uses less digits than its factorization.

20734694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102750.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 20734694 is about 4553.5364278767. The cubic root of 20734694 is about 274.7256503571.

The spelling of 20734694 in words is "twenty million, seven hundred thirty-four thousand, six hundred ninety-four".