20294158 has 12 divisors (see below), whose sum is σ = 32338152. Its totient is φ = 9549920.

The previous prime is 20294137. The next prime is 20294161. The reversal of 20294158 is 85149202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16978 + ... + 18133.

It is an arithmetic number, because the mean of its divisors is an integer number (2694846).

Almost surely, 2^20294158 is an apocalyptic number.

20294158 is a deficient number, since it is larger than the sum of its proper divisors (12043994).

20294158 is a wasteful number, since it uses less digits than its factorization.

20294158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35147 (or 35130 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 20294158 is about 4504.9037725572. The cubic root of 20294158 is about 272.7660695581.

The spelling of 20294158 in words is "twenty million, two hundred ninety-four thousand, one hundred fifty-eight".