20488304801 has 4 divisors (see below), whose sum is σ = 21194798100. Its totient is φ = 19781811504.

The previous prime is 20488304761. The next prime is 20488304839. The reversal of 20488304801 is 10840388402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14742816400 + 5745488401 = 121420^2 + 75799^2 .

It is a cyclic number.

It is not a de Polignac number, because 20488304801 - 2¹⁰ = 20488303777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20488304861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353246606 + ... + 353246663.

It is an arithmetic number, because the mean of its divisors is an integer number (5298699525).

Almost surely, 2^20488304801 is an apocalyptic number.

It is an amenable number.

20488304801 is a deficient number, since it is larger than the sum of its proper divisors (706493299).

20488304801 is an equidigital number, since it uses as much as digits as its factorization.

20488304801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706493298.

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 20488304801 in words is "twenty billion, four hundred eighty-eight million, three hundred four thousand, eight hundred one".