20286294 has 24 divisors (see below), whose sum is σ = 47197368. Its totient is φ = 5796000.

The previous prime is 20286293. The next prime is 20286311. The reversal of 20286294 is 49268202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20286293) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 34207 + ... + 34794.

It is an arithmetic number, because the mean of its divisors is an integer number (1966557).

Almost surely, 2^20286294 is an apocalyptic number.

20286294 is an abundant number, since it is smaller than the sum of its proper divisors (26911074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20286294 is a wasteful number, since it uses less digits than its factorization.

20286294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69020 (or 69013 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 20286294 is about 4504.0308613508. The cubic root of 20286294 is about 272.7308326606.

The spelling of 20286294 in words is "twenty million, two hundred eighty-six thousand, two hundred ninety-four".