20786334 has 8 divisors (see below), whose sum is σ = 41572680. Its totient is φ = 6928776.

The previous prime is 20786333. The next prime is 20786347. The reversal of 20786334 is 43368702.

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

20786334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20786295 and 20786304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20786333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1732189 + ... + 1732200.

It is an arithmetic number, because the mean of its divisors is an integer number (5196585).

Almost surely, 2^20786334 is an apocalyptic number.

20786334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20786334 is a wasteful number, since it uses less digits than its factorization.

20786334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464394.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 20786334 is about 4559.2032198620. The cubic root of 20786334 is about 274.9535304400.

The spelling of 20786334 in words is "twenty million, seven hundred eighty-six thousand, three hundred thirty-four".