20916094 has 8 divisors (see below), whose sum is σ = 31532400. Its totient is φ = 10405296.

The previous prime is 20916089. The next prime is 20916113. The reversal of 20916094 is 49061902.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25879 + ... + 26674.

It is an arithmetic number, because the mean of its divisors is an integer number (3941550).

Almost surely, 2^20916094 is an apocalyptic number.

20916094 is a deficient number, since it is larger than the sum of its proper divisors (10616306).

20916094 is a wasteful number, since it uses less digits than its factorization.

20916094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52754.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 20916094 is about 4573.4116368418. The cubic root of 20916094 is about 275.5244822628.

Adding to 20916094 its reverse (49061902), we get a palindrome (69977996).

The spelling of 20916094 in words is "twenty million, nine hundred sixteen thousand, ninety-four".