20794111 has 16 divisors (see below), whose sum is σ = 24361344. Its totient is φ = 17570304.

The previous prime is 20794099. The next prime is 20794121. The reversal of 20794111 is 11149702.

It is a cyclic number.

It is not a de Polignac number, because 20794111 - 2⁵ = 20794079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20794121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6906 + ... + 9448.

It is an arithmetic number, because the mean of its divisors is an integer number (1522584).

Almost surely, 2^20794111 is an apocalyptic number.

20794111 is a deficient number, since it is larger than the sum of its proper divisors (3567233).

20794111 is a wasteful number, since it uses less digits than its factorization.

20794111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 20794111 is about 4560.0560303575. The cubic root of 20794111 is about 274.9878165401.

The spelling of 20794111 in words is "twenty million, seven hundred ninety-four thousand, one hundred eleven".