204223302011 has 4 divisors (see below), whose sum is σ = 209742850752. Its totient is φ = 198703753272.

The previous prime is 204223301969. The next prime is 204223302047. The reversal of 204223302011 is 110203322402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204223302011 is a prime.

It is a super-2 number, since 2×204223302011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204223902011) 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, 2759774315 + ... + 2759774388.

It is an arithmetic number, because the mean of its divisors is an integer number (52435712688).

Almost surely, 2^204223302011 is an apocalyptic number.

204223302011 is a deficient number, since it is larger than the sum of its proper divisors (5519548741).

204223302011 is an equidigital number, since it uses as much as digits as its factorization.

204223302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519548740.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 204223302011 its reverse (110203322402), we get a palindrome (314426624413).

The spelling of 204223302011 in words is "two hundred four billion, two hundred twenty-three million, three hundred two thousand, eleven".