20228294 has 8 divisors (see below), whose sum is σ = 30365400. Its totient is φ = 10106496.

The previous prime is 20228287. The next prime is 20228303. The reversal of 20228294 is 49282202.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422 + ... + 6374.

It is an arithmetic number, because the mean of its divisors is an integer number (3795675).

Almost surely, 2^20228294 is an apocalyptic number.

20228294 is a deficient number, since it is larger than the sum of its proper divisors (10137106).

20228294 is a wasteful number, since it uses less digits than its factorization.

20228294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 20228294 is about 4497.5875755787. The cubic root of 20228294 is about 272.4706654167.

The spelling of 20228294 in words is "twenty million, two hundred twenty-eight thousand, two hundred ninety-four".