20794906 has 16 divisors (see below), whose sum is σ = 34509888. Its totient is φ = 9318400.

The previous prime is 20794897. The next prime is 20794919. The reversal of 20794906 is 60949702.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5095 + ... + 8218.

It is an arithmetic number, because the mean of its divisors is an integer number (2156868).

Almost surely, 2^20794906 is an apocalyptic number.

20794906 is a deficient number, since it is larger than the sum of its proper divisors (13714982).

20794906 is a wasteful number, since it uses less digits than its factorization.

20794906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13397.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 20794906 is about 4560.1431995059. The cubic root of 20794906 is about 274.9913209382.

The spelling of 20794906 in words is "twenty million, seven hundred ninety-four thousand, nine hundred six".