20323320244 has 6 divisors (see below), whose sum is σ = 35565810434. Its totient is φ = 10161660120.

The previous prime is 20323320239. The next prime is 20323320247. The reversal of 20323320244 is 44202332302.

It can be written as a sum of positive squares in only one way, i.e., 12896327844 + 7426992400 = 113562^2 + 86180^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323320247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540415027 + ... + 2540415034.

Almost surely, 2^20323320244 is an apocalyptic number.

It is an amenable number.

20323320244 is a deficient number, since it is larger than the sum of its proper divisors (15242490190).

20323320244 is a wasteful number, since it uses less digits than its factorization.

20323320244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080830065 (or 5080830063 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20323320244 its reverse (44202332302), we get a palindrome (64525652546).

The spelling of 20323320244 in words is "twenty billion, three hundred twenty-three million, three hundred twenty thousand, two hundred forty-four".