20321113294 has 16 divisors (see below), whose sum is σ = 30628134000. Its totient is φ = 10111774464.

The previous prime is 20321113289. The next prime is 20321113411. The reversal of 20321113294 is 49231112302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208557 + ... + 1225255.

It is an arithmetic number, because the mean of its divisors is an integer number (1914258375).

Almost surely, 2^20321113294 is an apocalyptic number.

20321113294 is a deficient number, since it is larger than the sum of its proper divisors (10307020706).

20321113294 is a wasteful number, since it uses less digits than its factorization.

20321113294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19587.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 20321113294 its reverse (49231112302), we get a palindrome (69552225596).

The spelling of 20321113294 in words is "twenty billion, three hundred twenty-one million, one hundred thirteen thousand, two hundred ninety-four".