20394276 has 24 divisors (see below), whose sum is σ = 54384960. Its totient is φ = 5826912.

The previous prime is 20394263. The next prime is 20394299. The reversal of 20394276 is 67249302.

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 7 ways as a sum of consecutive naturals, for example, 121311 + ... + 121478.

It is an arithmetic number, because the mean of its divisors is an integer number (2266040).

Almost surely, 2^20394276 is an apocalyptic number.

It is an amenable number.

20394276 is an abundant number, since it is smaller than the sum of its proper divisors (33990684).

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

20394276 is a wasteful number, since it uses less digits than its factorization.

20394276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242803 (or 242801 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 20394276 is about 4516.0022143484. The cubic root of 20394276 is about 273.2138832946.

The spelling of 20394276 in words is "twenty million, three hundred ninety-four thousand, two hundred seventy-six".