20838294 has 24 divisors (see below), whose sum is σ = 47806200. Its totient is φ = 6537408.

The previous prime is 20838281. The next prime is 20838317. The reversal of 20838294 is 49283802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33744 + ... + 34355.

It is an arithmetic number, because the mean of its divisors is an integer number (1991925).

Almost surely, 2^20838294 is an apocalyptic number.

20838294 is an abundant number, since it is smaller than the sum of its proper divisors (26967906).

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

20838294 is a wasteful number, since it uses less digits than its factorization.

20838294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68124 (or 68121 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 20838294 is about 4564.8980273386. The cubic root of 20838294 is about 275.1824420219.

The spelling of 20838294 in words is "twenty million, eight hundred thirty-eight thousand, two hundred ninety-four".