20304023201 has 16 divisors (see below), whose sum is σ = 25320496128. Its totient is φ = 15817323600.

The previous prime is 20304023197. The next prime is 20304023227. The reversal of 20304023201 is 10232040302.

It is a cyclic number.

It is not a de Polignac number, because 20304023201 - 2² = 20304023197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20304023201.

It is not an unprimeable number, because it can be changed into a prime (20304023261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294626 + ... + 356948.

It is an arithmetic number, because the mean of its divisors is an integer number (1582531008).

Almost surely, 2^20304023201 is an apocalyptic number.

It is an amenable number.

20304023201 is a deficient number, since it is larger than the sum of its proper divisors (5016472927).

20304023201 is a wasteful number, since it uses less digits than its factorization.

20304023201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66572.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20304023201 its reverse (10232040302), we get a palindrome (30536063503).

The spelling of 20304023201 in words is "twenty billion, three hundred four million, twenty-three thousand, two hundred one".