20885194 has 16 divisors (see below), whose sum is σ = 34246080. Its totient is φ = 9473760.

The previous prime is 20885177. The next prime is 20885201. The reversal of 20885194 is 49158802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19702 + ... + 20734.

It is an arithmetic number, because the mean of its divisors is an integer number (2140380).

Almost surely, 2^20885194 is an apocalyptic number.

20885194 is a deficient number, since it is larger than the sum of its proper divisors (13360886).

20885194 is a wasteful number, since it uses less digits than its factorization.

20885194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 20885194 is about 4570.0321661888. The cubic root of 20885194 is about 275.3887350806.

The spelling of 20885194 in words is "twenty million, eight hundred eighty-five thousand, one hundred ninety-four".