20116774 has 8 divisors (see below), whose sum is σ = 30196080. Its totient is φ = 10051416.

The previous prime is 20116771. The next prime is 20116777. The reversal of 20116774 is 47761102.

It is an interprime number because it is at equal distance from previous prime (20116771) and next prime (20116777).

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 (20116771) 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, 1612 + ... + 6544.

It is an arithmetic number, because the mean of its divisors is an integer number (3774510).

Almost surely, 2^20116774 is an apocalyptic number.

20116774 is a deficient number, since it is larger than the sum of its proper divisors (10079306).

20116774 is a wasteful number, since it uses less digits than its factorization.

20116774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6974.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 20116774 is about 4485.1726834092. The cubic root of 20116774 is about 271.9690258126.

Adding to 20116774 its reverse (47761102), we get a palindrome (67877876).

The spelling of 20116774 in words is "twenty million, one hundred sixteen thousand, seven hundred seventy-four".