20204166803 has 8 divisors (see below), whose sum is σ = 20903572800. Its totient is φ = 19504941568.

The previous prime is 20204166793. The next prime is 20204166841. The reversal of 20204166803 is 30866140202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20204166803 - 2⁸ = 20204166547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20204166803.

It is not an unprimeable number, because it can be changed into a prime (20204166503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205958 + ... + 287796.

It is an arithmetic number, because the mean of its divisors is an integer number (2612946600).

Almost surely, 2^20204166803 is an apocalyptic number.

20204166803 is a deficient number, since it is larger than the sum of its proper divisors (699405997).

20204166803 is an equidigital number, since it uses as much as digits as its factorization.

20204166803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90381.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 20204166803 in words is "twenty billion, two hundred four million, one hundred sixty-six thousand, eight hundred three".