20204222403 has 4 divisors (see below), whose sum is σ = 26938963208. Its totient is φ = 13469481600.

The previous prime is 20204222383. The next prime is 20204222411. The reversal of 20204222403 is 30422240202.

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

It is not a de Polignac number, because 20204222403 - 2⁵ = 20204222371 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 20204222403.

It is not an unprimeable number, because it can be changed into a prime (20204222443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3367370398 + ... + 3367370403.

It is an arithmetic number, because the mean of its divisors is an integer number (6734740802).

Almost surely, 2^20204222403 is an apocalyptic number.

20204222403 is a deficient number, since it is larger than the sum of its proper divisors (6734740805).

20204222403 is an equidigital number, since it uses as much as digits as its factorization.

20204222403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734740804.

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 20204222403 its reverse (30422240202), we get a palindrome (50626462605).

The spelling of 20204222403 in words is "twenty billion, two hundred four million, two hundred twenty-two thousand, four hundred three".