20363394 has 32 divisors (see below), whose sum is σ = 43283520. Its totient is φ = 6374592.

The previous prime is 20363389. The next prime is 20363419. The reversal of 20363394 is 49336302.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 4857 + ... + 8019.

It is an arithmetic number, because the mean of its divisors is an integer number (1352610).

Almost surely, 2^20363394 is an apocalyptic number.

20363394 is an abundant number, since it is smaller than the sum of its proper divisors (22920126).

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

20363394 is a wasteful number, since it uses less digits than its factorization.

20363394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 20363394 is about 4512.5817444120. The cubic root of 20363394 is about 273.0759090660.

Adding to 20363394 its reverse (49336302), we get a palindrome (69699696).

The spelling of 20363394 in words is "twenty million, three hundred sixty-three thousand, three hundred ninety-four".