204221300403 has 32 divisors (see below), whose sum is σ = 282748354560. Its totient is φ = 130957142400.

The previous prime is 204221300389. The next prime is 204221300411. The reversal of 204221300403 is 304003122402.

It is not a de Polignac number, because 204221300403 - 2²⁹ = 203684429491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204221300403.

It is not an unprimeable number, because it can be changed into a prime (204221300473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36747501 + ... + 36753057.

It is an arithmetic number, because the mean of its divisors is an integer number (8835886080).

Almost surely, 2^204221300403 is an apocalyptic number.

204221300403 is a deficient number, since it is larger than the sum of its proper divisors (78527054157).

204221300403 is a wasteful number, since it uses less digits than its factorization.

204221300403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 204221300403 its reverse (304003122402), we get a palindrome (508224422805).

The spelling of 204221300403 in words is "two hundred four billion, two hundred twenty-one million, three hundred thousand, four hundred three".